Secret identities

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"My identity is a closely-guarded secret known only to a few, and if it were to get out, it will endanger my family, my friends, and it would embolden my enemies to retaliate at me through them."

—Oliver Queen^[src]

As a part of having an alter-ego, individuals try to keep secret identities, often telling as few people as possible about their alternate identity. Below are lists of characters' secret identities and who is aware of them.

Secret identities

Amaya Jiwe/Vixen

Rex Tyler: Rex was aware of Amaya's identity as Vixen.
Henry Heywood: Henry was aware of Amaya's identity as Vixen.
Charles: Charles was aware of Amaya's identity as Vixen.
Todd Rice: Todd is aware of Amaya's identity as Vixen.
Courtney: Courtney is aware of Amaya's identity as Vixen.
Sara Lance: When fighting against the JSA in 1942, Sara saw Amaya in her full Vixen get-up.
Ray Palmer: When fighting against the JSA in 1942, Ray saw Amaya in her full Vixen get-up.
Nate Heywood: When fighting against the JSA in 1942, Nate saw Amaya in her full Vixen get-up.
Jefferson Jackson: When fighting against the JSA in 1942, Jax saw Amaya in her full Vixen get-up.
Martin Stein: When fighting against the JSA in 1942, Martin saw Amaya in her full Vixen get-up.
Mick Rory: When fighting against the JSA in 1942, Mick saw Amaya in her full Vixen get-up.
Eobard Thawne: Eobard is aware of Amaya's identity as Vixen due to being from the 22th century/the future.
Jonah Hex: When the Legends and Hex fought Turnbull and his men in the bar, he saw Amaya use her powers.
Barry Allen: Barry saw Amaya in her Vixen suit at the S.T.A.R. Labs hall.
Caitlin Snow: Caitlin saw Amaya in her Vixen suit at the S.T.A.R. Labs hall.
Cisco Ramon: Cisco saw Amaya in her Vixen suit suit at the S.T.A.R. Labs hall.
Oliver Queen: Oliver saw Amaya in her Vixen suit at the S.T.A.R. Labs hall.
John Diggle: John saw Amaya in her Vixen suit at the S.T.A.R. Labs hall.
Felicity Smoak: Felicity saw Amaya in her Vixen suit at the S.T.A.R. Labs hall.
Kara Danvers: Kara saw Amaya in her Vixen suit at the S.T.A.R. Labs hall.
Malcolm Merlyn: Malcolm saw Amaya in her Vixen suit.
Damien Darhk: Damien saw Amaya in her Vixen suit.
Leonard Snart: Leonard saw Amaya in her Vixen suit.
Zari Tarazi: After Zari joined the Legends, she was informed about Amaya's identity as Vixen.
Harry Wells: Harry saw Amaya in her Vixen suit.
Alex Danvers: Alex saw Amaya in her Vixen suit.
Iris West-Allen: Iris saw Amaya in her Vixen suit.
Leo Snart: Leo saw Amaya in her Vixen suit.
Ray Terrill: Ray saw Amaya in her Vixen suit.
Dinah Drake: Dinah saw Amaya in her Vixen suit.
Curtis Holt: Curtis saw Amaya in her Vixen suit.
Rene Ramirez: Rene saw Amaya in her Vixen suit.
John Constantine: John is aware of Amaya's identity as Vixen.
Ava Sharpe: Ava is aware of Amaya's identity as Vixen.
Wally West: After Wally joined the Legends; he was informed of Amaya's identity as Vixen.

Anissa Pierce/Thunder/Blackbird

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While having no official alter-ego at the time, Anissa uses her powers to fight crime in Freeland; becoming the superheroine known as "Thunder".

Lynn Stewart: After yelling at attackers tying up her mother, Lynn realized that the costumed vigilante was her daughter, Anissa.^[1]
Jefferson Pierce: After beating her to unconsciousness, Jeff got a close look at Anissa's face, realizing it was his daughter.^[1]
Peter Gambi: After Jeff knocked her out, he called for Gambi's help in transporting Anissa.^[1]
Jennifer Pierce: Jennifer found out after Anissa used her superhuman strength to life Jennifer's bed up, in order to make her believe that she is Thunder.^[2]
Bill Henderson: After finding out that Jefferson is Black Lightning, Henderson was able to realize that Anissa is Thunder.^[3]
Khalil Payne: After being rescued by Jefferson and Anissa as Black Lightning and Thunder, Khalil may have been able to figure out that Anissa is Thunder, as he was able to figure out that Jefferson is Black Lightning.^[4]
Odell: After setting up cameras in the Pierce house, Odell became aware of Anissa's identity as Thunder.^[5]
A.S.A.
Grace Choi: Anissa told Grace about her identity as Thunder and Blackbird.^[6]
Tobias Whale: After figuring out that Jefferson is Black Lightning, Tobias was also able to figure out that Anissa is Thunder.^[7]
Brandon Marshall
Baron

Barry Allen/The Flash (Earth-90)

Tina McGee: Barry consulted with Tina on his condition when he first got his speed; Tina had then made Barry's suit when he first became the Flash.
Megan Lockhart: Megan learned of Barry's identity as the Flash; when she sneaked a camera into his apartment and recorded him using his speed.
Thomas Castillo: Megan informed Castillo of Barry's identity as the Flash; when Megan was hired to find out the info for him. However, it was fully seen when Barry disabled a grenade heading for Earl using his speed.
Lily Doubek: Lily is aware of Earth-90 Barry's identity as the Flash; however due to being an infant; it is unknown if Lily ever retained this knowledge.
Desmond Powell: Barry informed Desmond of his identity as the Flash; however, Desmond had always suspected it.
Barry Allen: Earth-90 Barry informed his Earth-1 counterpart of his identity as the Flash.
Cisco Ramon: Cisco was present when Earth-90 Barry revealed that he is the Flash.
Caitlin Snow: Caitlin was present when Earth-90 Barry revealed his identity as the Flash.
Oliver Queen: Earth-90 Barry informed Oliver of his identity as the Flash.
Felicity Smoak: Earth-90 Barry informed Felicity of his identity as the Flash.
John Diggle: Earth-90 Barry informed John of his identity as the Flash.
Curtis Holt: Earth-90 Barry informed Curtis of his identity as the Flash.
Kara Danvers: Earth-90 Barry informed Kara of his identity as the Flash.
Mar Novu: Novu was aware of Earth-90 Barry's identity as the Flash.
Harrison Nash Wells: Nash as Pariah was aware that Earth-90 Barry Allen was the Flash. He became aware once more when J'onn restored his memories of his time as Pariah on Earth-Prime.
Jefferson Pierce: Barry informed Jefferson of his Earth-90 counterpart's identity as the Flash. He became aware once more when J'onn restored his memories of the crisis.

Barry Allen/The Flash (Earth-1)

"Wait, what? My boss's husband is the Flash? Nobody tells me anything."

—Allegra Garcia^[src]

After waking up from a coma, Barry discovered he has gained the power of super speed. Using this to his advantage, he eventually decided to become a guardian angel of Central City. The three S.T.A.R. Labs members that took care of him when he was unconscious decided to work with him.

Eobard Thawne: One of the three S.T.A.R. Labs members that looked after Barry during his nine-month comatose state. However, Eobard already knew Barry would eventually become the Flash, as he is from the future and is the Reverse-Flash, the man who murdered Barry's mother.
Caitlin Snow: Caitlin was responsible for looking after Barry during his nine-month comatose state, eventually joining him on his heroic escapades.
Cisco Ramon: Cisco helped look after Barry during his nine-month coma, eventually joining his team to aid him in his heroic escapades
Oliver Queen: Before actually becoming the Flash, Barry consulted Oliver on what to do. Oliver motivated him to become the Flash, observing his super speed as he ran away.
Joe West: Before Barry was shot by Clyde, Joe shot Clyde himself numerous times. He shortly discovered that Barry had been given his powers from the bolt of lightning that had struck him.
Felicity Smoak: When Felicity visited Barry in Central City, he showed her his new-found powers, although she knew of his abilities prior to this, as she informed Barry that she overheard him telling Oliver about his abilities.^[8]
Bette Sans Souci: After saving her from General Eiling, Barry revealed his identity to Bette and the fact that they are both meta-humans.
Wade Eiling: Eiling witnessed Barry without his mask on after shooting Bette Sans Souci.
Tony Woodward: After defeating his childhood bully, Barry put Tony in the Pipeline and revealed himself.
John Diggle: A few members of Team Arrow were in Central City on a mission; while waiting for Oliver to return, John and Felicity were talking and the Flash sped up towards them, shocking John (as he previously felt that Barry's speed might have been exaggeration, until he finally saw it with his own eyes, stating that it freaked him out).^[9]
Lyla Michaels: After coming to Star City to help out Oliver, Barry accidentally let Lyla know that he is the Flash, assuming John had told her.
Roy Harper: Arriving back from getting sushi, Barry kept his mask off but the rest of his outfit on, allowing Roy to deduce his identity as the Flash.
Henry Allen: After piecing together a number of interactions with the Flash, Henry concluded that the Flash is Barry. Despite Barry shrugging the accusation off, Henry proceeded to admit how proud he was and assure that, if his son was actually the Flash, that he'd say how proud he was of him and that he's saving a lot of lives. Only later did Barry confirm his identity after saving his father's life, to no surprise from either.
Ronnie Raymond: Ronnie became aware of Barry's identity as the Flash; when he met him in S.T.A.R. Labs after the separation of Firestorm.
Martin Stein: Martin also became aware of Barry's identity as the Flash; when he met him in S.T.A.R. Labs after the separation of Firestorm.
Clarissa Stein: Upon seeing Barry using his speed to quickly get her husband a pizza, it is presumed that Clarissa was intelligent enough to link him and the Flash (who was on the news) as the same person.
Leonard Snart: Leonard tortured Dante Ramon, forcing Cisco to reveal Barry identity as the Flash in return for his brother's life.
Eddie Thawne: Barry revealed his identity as the Flash to Eddie; in order to have him help them get to the bottom of the mystery that was Dr. Wells.
Ray Palmer: Needing help on his A.T.O.M. Exosuit, Ray and Felicity headed to S.T.A.R. Labs in Central City and Felicity had to reveal Barry's identity as the Flash.
Brie Larvan: It is assumed that Brie found out that Barry is the Flash, when he was unmasked, used his speed to capture the bee at S.T.A.R. Labs, with Brie seeing it through the camera on the bee.
Laurel Lance:Laurel guessed Barry was the Flash when he came to Starling City to help against Captain Boomerang. As Laurel and Cisco decide to talk privately, she told him that she was aware of Barry's identity as the Flash.
Hannibal Bates: Hannibal transformed into Barry and the Flash, explored S.T.A.R Labs, was considered part of the team, and put in the pipeline prison. It is implied that Hannibal pieced together that Barry is the Flash.
Gideon: Gideon is a sentient computer and is aware of Barry's identity as the Flash, as he is her creator.
Iris West-Allen: Iris concluded that Barry is, in fact, the Flash after feeling static electricity when trying to grab his hand, as she'd done previously with Barry, when the latter was in a coma for 9 months.
Malcolm Merlyn: When Barry went to Nanda Parbat to rescue Team Arrow, Felicity called him by name, revealing his identity as the Flash to Malcolm.
Nora Allen: When Barry traveled back in time to when his mother died, he reveals to her that he is Barry and the Flash.
Hunter Zolomon: Hunter appeared in S.T.A.R. Labs out of nowhere, revealing that he knew of Barry's identity, thus further implying his connection to the Flash also.
Henry Hewitt: When Martin Stein needed a new firestorm the team asked Hewitt. When he arrived at S.T.A.R. Labs he saw the Flash unmasked.
Jefferson Jackson: After becoming Firestorm, it is clear that he knew Barry's identity as the Flash.
Harry Wells: After saving the Flash from King Shark, Barry revealed his identity as the Flash to Harry. However, it is implied that he already knew of his existence.
Linda Park: After asking Linda to go up against Zoom, Barry decided that he needed to trust her completely in order for her to trust him likewise, thus revealing his secret identity as the Flash.
Kendra Saunders: Cisco accidentally revealed Barry's identity as the Flash to Kendra after Barry saved him from being impaled in the chest when Vandal Savage threw a knife at him.
Carter Hall: Carter saw Barry unmasked in his Flash suit while being chained in the Arrowcave.
Thea Queen: When Barry arrived in the Arrowcave with Team Arrow, he had his mask off.
Vandal Savage: Vandal came into Oliver Queen's apartment and attacked Teams Arrow and the Flash for Kendra Saunders, causing Barry to run super fast to protect his friends from Vandal's daggers.
Quentin Lance: When he joins Team Arrow, their members discuss the Flash's past adventures by openly calling him Barry.
Patty Spivot: Patty found files on the Flash in Barry's desk that were inaccessible to the CCPD, raising her suspicions of Barry and the Flash being the same person along with the knowledge that Joe West and Barry secretly help S.T.A.R. Labs occasionally. Patty later confirmed Barry's identity as the Flash after she tricked him by claiming an armed man was on her train.
Jesse Wells: Jesse saw Barry unmasked in his Flash suit when they were captured by Zoom.
Jay Garrick: After Barry was kidnapped by Zoom, Jay saw Barry unmasked.
Barry Allen (Earth-2): After being kidnapped by Earth-1 Barry, Earth-1 Cisco and Harry, Barry was informed of everything that was going on, including his doppelgänger's identity as the Flash.
Iris West-Allen (Earth-2): Iris was filled in on everything that was going on, including that Earth-1 Barry is the Flash, by Earth-2 Barry, Earth-1 Cisco and Harry.
Caitlin Snow (Earth-2): Caitlin saw Earth-1 Barry unmasked in his Flash suit after helping Cisco, Harry, Earth-2 Barry and Earth-2 Iris save him.
Mari: After meeting Vixen, Green Arrow and the Flash maintained a friendship with her and revealed their identities. While visiting Star City she confirmed that she knew Barry's identity as the Flash.
Samantha Clayton: Team Arrow and Mari openly talked about Barry Allen being the Flash when Mari used a Flash toy to localize William Clayton.^[10]
Hartley Rathaway: In an altered timeline, Hartley saved Barry from being killed by a Time Wraith inside S.T.A.R. Labs.
Kara Danvers: Barry revealed his identity as the Flash to Kara after reaching her Earth and realizing that he wasn't in his own universe.^[11]
James Olsen: After returning to Supergirl's base of operations, Barry revealed his identity as the Flash to James.^[11]
Winn Schott: After returning to Supergirl's base of operations, Barry revealed his identity as the Flash to Winn.^[11]
Lucy Lane: Barry revealed his identity as the Flash to Lucy after he came to Earth-38.^[11]
D.E.O.: After teaming up with Supergirl, she took him to the D.E.O., where Barry revealed his identity as the Flash.^[11]
Cat Grant: Cat was able to figure out the connection between Barry, the red suit and his longing for the hero to be named the Flash.^[11]
Tina McGee: After saving Dr. McGee from a collapsing building, she acknowledged that she knew Barry's identity as the Flash, reasoning that she wasn't an idiot and her occupation allowed her to make such observations.
Wally West: After Zoom openly took Henry Allen in front of his family and friends, Barry raced after him, with Wally being shocked at the sudden revelation.
Curtis Holt: When discussing Wild Dog with Oliver and Felicity, Felicity mentioned Oliver shooting Barry in the back while training him implying that Curtis knows about Barry is the Flash.
H.R. Wells: When Earth-19 Wells came to Earth-1 to replace Earth-2 Wells on Team Flash, H.R. was informed of Barry's identity as the Flash.
Mick Rory: Mick was present when was Barry unmasked in his Flash suit at the S.T.A.R. Labs hall.
Sara Lance: Sara was present when Barry was unmasked at the S.T.A.R Labs hall.
Nate Heywood: Nate was present when Barry was unmasked at the S.T.A.R Labs hall.
Amaya Jiwe: Amaya was present when Barry was unmasked at the S.T.A.R Labs hall.
Rip Hunter: Rip was sent a message from Barry in the year 2056, acknowledging that he created an alternate timeline known as "Flashpoint", altering the pasts and futures of everyone he knew.
Smith: Smith never stated how he knew who Barry was, but he already knew he was the Flash.
Dominators: The Dominators were aware of Barry's existence as the Flash and his part in creating the alternate timeline Flashpoint.
Julian Albert: Barry was forced to reveal his identity as the Flash after S.T.A.R. Labs took Julian into custody, and Julian initially did not trust anyone wearing a mask.
Rene Ramirez: Barry must have informed Rene of his identity as the Flash, when he was working with him.
Rory Regan: Barry must have informed Rory of his identity as the Flash, when he was working with him.
Adrian Chase: Adrian was aware of Barry's identity as the Flash, as he broke Earth-2 Laurel Lance out of S.T.A.R. Labs' pipeline prison.
Music Meister: Music Meister is aware of Barry's identity as the Flash.
Mon-El: Kara must have told Mon-El of Barry's identity as the Flash.
J'onn J'onzz: Kara must have told J'onn of Barry's identity as the Flash.
Abra Kadabra: Abra Kadabra is aware of Barry's identity as the Flash, due to being from the future, the 64th century.
Grodd: Due to being Eobard's servant; Grodd is aware of Barry's identity as the Flash.
Cynthia: Cynthia became aware of Barry's identity as the Flash, when she was temporarily under the control of Grodd.
Cecile Horton: Joe informed Cecile of Barry's identity as the Flash.
Tracy Brand: Barry allowed H.R. to reveal his identity as the Flash to Tracy.
Clifford DeVoe: DeVoe and Marlize secretly observed Team Flash through a hidden camera in the Samuroid head and saw Barry with his mask off.
Marlize DeVoe: Marlize and DeVoe secretly observed Team Flash through a hidden camera in the Samuroid head and saw Barry with his mask off.
Ralph Dibny: Barry revealed his identity as the Flash to Ralph when they worked together to save Joe West.
Josh: Josh was present when Barry revealed his identity as the Flash to Ralph Dibny.
Alex Danvers: Kara confirmed Barry's identity as the Flash, as Alex asks about the wedding invitation.
Oliver (Earth-X): Earth-X Oliver was aware of Barry's identity as the Flash.
Kara (Earth-X): Earth-X Kara was aware of Barry's identity as the Flash.
Ray Terrill: Ray saw Barry unmasked in his Flash suit, in a Nazi concentration camp on Earth-X.
Sturmbannführer: Sturmbannführer saw Barry unmasked in his Flash suit, in a Nazi concentration camp on Earth-X.
Leo Snart: Leo saw Barry unmasked in his Flash suit when he came to save Ray and Earth-1 heroes.
Winn Schott (Earth-X): Winn saw Barry unmasked in his Flash suit, in headquarters of the Freedom Fighters.
Dinah Drake: Dinah is aware of Barry's identity as the Flash.
Zari Tarazi: Zari is aware of Barry's identity as the Flash.
David Ratchet: Barry's former fellow inmate who was his first real friend in prison. After learning Dave had also been falsely imprisoned too and couldn't get exonerated Barry decided to let Dave being free and have a second at life leaving him a note which tipped Dave off to Barry's status as a speedster.
Gregory Wolfe: Wolfe observed Barry using his speed through a prison surveillance camera.
Ramsey Deacon: In order to convince them to betray Barry; Wolfe told Deacon, Becky Sharpe, Mina Chaytan and Sylbert Rundine that Barry is the Flash; the very man who put them in prison in the first place.
Becky Sharpe: In order to convince them to betray Barry; Wolfe told Becky, Ramsey Deacon, Mina Chaytan and Sylbert Rundine that Barry is the Flash, the very man who put them in prison in the first place. However, this completely backfired; as Becky did not hold a grudge against Barry for putting her in prison.
Mina Chaytan: In order to convince them to betray Barry, Wolfe told Mina, Ramsey Deacon, Becky Sharpe, and Sylbert Rundine that Barry is the Flash, the very man who put them in prison in the first place.
Sylbert Rundine: In order to convince them to betray Barry, Wolfe told Rundine, Becky Sharpe, Ramsey Deacon, and Mina Chaytan that Barry is the Flash, the very man who put them in prison in the first place.
Izzy Bowin: Barry revealed his identity as the Flash to Izzy, in order to gain her trust.
Amunet Black: Amunet was able to figure out that Barry is the Flash, after having recognized Barry's jawline from when she tried to sell Barry as a meta-human slave during the time he was in Iron Heights Prison.
Neil Borman: Barry revealed his identity as the Flash to Neil in order to gain his trust.^[12]
Nora West-Allen: Nora is aware of Barry's identity as the Flash, due to the fact that she is his daughter from the future.
Harrison Sherloque Wells: Sherloque is aware of Barry's identity as the Flash.
Harrison Wolfgang Wells: Harrison Wolfgang is aware of Barry's identity as the Flash.
Thomas Snow: Thomas knew that Barry is the Flash.
Mar Novu: Novu is aware of Barry's identity as the Flash.
Clark Kent: Clark is aware of Barry's identity as the Flash.
Lois Lane: Lois was present when Kara revealed Barry's identity as the Flash to Clark.
Barry Allen (Earth-90):
Querl Dox: Querl is aware of Barry's identity as the Flash.
Shay Lamden (Earth-2): It's been revealed that Shay is aware of Barry's identity as the Flash.^[13]
Orlin Dwyer: Barry revealed his identity as the Flash to Orlin, in an effort to convince him to take the meta-human cure.^[14]
David Singh: David knows Barry is the Flash due to his detective skills.^[15]
Kamilla Hwang: Barry had no problem using his powers around her. Cisco presumably told her before she joins the team.
Harrison Nash Wells: He put a tracking device in Cisco's body and learned about Barry's identity during Cisco's interactions.
Allegra Garcia: After helping Nash Wells, he told Allegra that Barry Allen is the Flash.^[16]
Ramsey Rosso: After a blood transfusion to save Ralph Dibny, Barry had gotten a part of Ramsey's hallucinogenic blood in his system. This allowed Ramsey access to Barry's memories including the knowledge of his identity.
Kate Kane: Kate saw Barry unmasked in his Flash suit.
Mia Queen: Mia saw Barry unmasked in his Flash suit. She became aware once more after Dinah Drake and Laurel Lance restored her memories of the original multiverse.
Mick Rory (Earth-74): Mick saw Barry unmasked in his Flash suit.
John Constantine: John is aware of Barry's identity as the Flash.
Clark Kent (Earth-96): Clark saw Barry unmasked in his Flash suit.
Lex Luthor: Lex saw Barry unmasked in his Flash suit.
Jefferson Pierce: Jefferson saw Barry unmasked in his Flash suit. He became aware once more after J'onn restored his memories of the Crisis.
Ryan Choi: Ryan saw Barry unmasked in his Flash suit.
Mobius: Mobius saw Bary unmasked in his Flash suit.
Barry Allen (Earth-TUD13): Barry revealed his identity as the Flash to his alternate counterpart.^[17]
Chester P. Runk: After Chester saw Barry using his super speed, he quickly figured out that Barry is the Flash.^[18]
Eva McCulloch: While trapped in the Mirrorverse with Iris, Eva was told that the Flash was Barry Allen.^[19]
Alexa Rivera: Barry revealed his identity to have Alexa help him to fight Psych.^[20]
Bashir Malik: Barry revealed his identity to make him feel welcome to Team Flash.^[20]

Bruce Wayne/Batman

Alfred Pennyworth: Alfred is aware of Bruce's identity as Batman.
Lucius Fox: Lucius was aware of Bruce's identity as Batman; as he was the one who designed the Batsuit for Bruce when he first became Batman.
Julia Pennyworth: Julia is aware of Bruce's identity as Batman.^[21]
Luke Fox: Luke is aware of Bruce's identity as Batman.
Kate Kane: After Kate entered the Batcave and saw the Batman suit; Kate quickly figured out that Bruce is Batman.
Unnamed man: An unnamed man is aware of Bruce's identity as Batman.
Tommy Elliot: An unnamed man informed Tommy of Bruce's identity as Batman.
Mar Novu: Novu was aware of Bruce's identity as Batman.
Kara Danvers: Kara deduced Bruce was Batman because of his Earth-38 counterpart also being a vigilante, and because of Bruce and Batman disappearing from Gotham City around the same time.
Clark Kent: Novu informed Clark of Bruce's identity as Batman, yet he most likely knew it due to having worked with his Earth-38 counterpart.
Lois Lane: Novu informed Lois of Bruce's identity as Batman.
Barry Allen: Novu informed Barry of Bruce's identity as Batman.
Ray Palmer: Novu informed Ray of Bruce's identity as Batman.
Beth Kane: Tommy informed Beth of Bruce's identity as Batman.^[22]
Jonathan Cartwright: Jonathan was present when Tommy informed Beth of Bruce's identity as Batman.^[22]
Mary Hamilton: Luke accidentally let slip that Bruce is Batman.^[22]
Ryan Wilder: Ryan is aware of Bruce's identity as Batman.^[23]

Cisco Ramon/Vibe

Eobard Thawne: Eobard knows that Cisco was infected by S.T.A.R. Labs particle accelerator explosion; even before the latter discovered that he is a meta-human himself.
Martin Stein: Cisco informed Martin that he is a meta-human.
Harry Wells: Harry was able to figure out that Cisco is a meta-human himself; via his Next gen watch.
Barry Allen: Harry revealed to Barry that Cisco is a meta-human.
Hunter Zolomon: Harry revealed to Hunter that Cisco is a meta-human.
Caitlin Snow: Harry revealed to Caitlin that Cisco is a meta-human.
Joe West: Joe was informed of Cisco being a meta-human (off-screen).
Iris West-Allen: Iris was informed of Cisco being a meta-human (off-screen).
Kendra Saunders: Cisco informed Kendra that he is a meta-human.
Oliver Queen: Cisco informed Oliver that he is a meta-human.
John Diggle: Cisco informed John that he is a meta-human.
Thea Queen: Cisco informed Thea that he is a meta-human.
Felicity Smoak: Cisco informed Felicity that he is a meta-human.
Malcolm Merlyn: Malcolm overheard Cisco revealing that he is a meta-human to most members of Team Arrow; that were present in the Arrowcave at the time.
League of Assassins: Most of the members of the League of Assassins, overheard Cisco revealing that he is a meta-human to most members of Team Arrow; that were present in the Arrowcave at the time.
Francisco Ramon: Francisco Ramon knows that Earth-1 Cisco is a meta-human; after the two doppelgängers came face-to-face with each other, Cisco told Francisco that his codename is Vibe.
Ronnie Raymond (Earth-2): Francisco informed Earth-2 Ronnie of Earth-1 Cisco being a meta-human (off-screen).
Martin Stein (Earth-2): Due to the fact that he can see and hear everything that Earth-2 Ronnie can see and hear when the two of them were merged into Deathstorm; Earth-2 Martin learned that Earth-1 Cisco is a meta-human; as Francisco informed Ronnie of the latter being a meta-human (off-screen).
Caitlin Snow (Earth-2): Francisco informed Earth-2 Caitlin of Earth-1 Cisco being a meta-human (off-screen).
Dante Ramon: Cisco informed Dante of him being a meta-human.
Dante Ramon (Earth-2): Hunter informed Earth-2 Dante of Cisco's identity as Vibe (off-screen).
Hartley Rathaway: Due to Barry's time travel to have Eobard Thawne build a tachyon device, Hartley became an ally in the new timeline. After n Team Flash recruits him to use his sound experience to find Godspeed, he reveals he knew Cisco was Vibe due to his long hair.
Henry Allen: Henry is aware of Cisco's identity as Vibe.
Wally West: Wally was informed of Cisco's identity as Vibe (off-screen).
Jesse Wells: Jesse was informed of Cisco's identity as Vibe (off-screen).
H.R. Wells: H.R. became aware of Cisco's identity as Vibe; after he joined Team Flash.
Kara Danvers: After Kara was recruited to fight against the Dominators on Earth-1, Barry informed her of Cisco's identity as Vibe (off-screen).
Curtis Holt: Curtis is aware of Cisco's identity as Vibe.
Rene Ramirez: Rene is aware of Cisco's identity as Vibe.
Rory Regan: Rory is aware of Cisco's identity as Vibe.
Jefferson Jackson: Jax is aware of Cisco's identity as Vibe.
Sara Lance: Sara is aware of Cisco's identity as Vibe.
Ray Palmer: Ray is aware of Cisco's identity as Vibe.
Nate Heywood: Nate is aware of Cisco's identity as Vibe.
Mick Rory: Mick is aware of Cisco's identity as Vibe.
Amaya Jiwe: Amaya is aware of Cisco's identity as Vibe.
Cynthia: Cynthia saw Cisco use one of his vibrational blasts against her; after she attacked H.R..
Julian Albert: Julian became aware of Cisco's identity as Vibe; after he joined Team Flash.
Cecile Horton: Cecile was informed about Cisco's identity as Vibe.
Mon-El: Mon-El saw Cisco in his Vibe suit.
J'onn J'onzz: J'onn saw Cisco in his Vibe suit.
Clifford DeVoe: Clifford was aware of Cisco's identity as Vibe.
Marlize DeVoe: Marlize was aware of Cisco's identity as Vibe.
Alex Danvers: Alex saw Cisco using his powers.
Dinah Drake: Dinah saw Cisco using his powers.
Zari Tarazi: Zari saw Cisco using his powers.
Izzy Bowin: Cisco revealed his identity as Vibe to Izzy in order to gain her trust.
Ralph Dibny: When he joined the team, Ralph was informed about Cisco's identity as Vibe.
Nora West-Allen: Due to the fact that she is from the future, Nora is aware of Cisco's identity as Vibe.
Harrison Sherloque Wells: When he joined the team, Sherloque was informed about Cisco's identity as Vibe.
Thomas Snow: Thomas is aware of Cisco's identity as Vibe.
Kamilla Hwang: Cisco used his powers in front of Kamilla, leading her to realize that he was Vibe.

Carter Hall/Hawkman

Vandal Savage: Vandal knows that Carter is Hawkman; due to the fact that he is one of Khufu's reincarnations.
Kendra Saunders: Kendra saw Carter unmasked in his Hawkman suit.
Barry Allen: Barry saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
Cisco Ramon: Cisco saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
Caitlin Snow: Caitlin was informed of Carter's identity as Hawkman (off-screen).
Oliver Queen: Oliver saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
John Diggle: John saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
Felicity Smoak: Felicity saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
Thea Queen: Thea saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
Laurel Lance: Laurel was informed of Carter's identity as Hawkman (off-screen).
Malcolm Merlyn: Malcolm saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
League of Assassins: Most of the members of the League of Assassins saw Carter unmasked in his Hawkman suit while he was chained in the Arrowcave.
Rip Hunter: Being a former Time Master, Rip knows that Carter is Hawkman.
Ray Palmer: Ray became aware of Carter's identity as Hawkman; after he joined the Legends.
Sara Lance: Sara became aware of Carter's identity as Hawkman; after she joined the Legends.
Jefferson Jackson: Jax became aware of Carter's identity as Hawkman; after he joined the Legends.
Martin Stein: Martin became aware of Carter's identity as Hawkman; after he joined the Legends.
Leonard Snart: Leonard became aware of Carter's identity as Hawkman; after he joined the Legends.
Mick Rory: Mick became aware of Carter's identity as Hawkman; after he joined the Legends.
Aldus Boardman: Due to being the child of a past incarnation of Carter, he informed him of his identity.

Caitlin Snow/Frost

Cisco Ramon: Cisco saw Caitlin in her Killer Frost persona.
Julian Albert: Julian saw Caitlin in her Killer Frost persona.
H.R. Wells: H.R. saw Caitlin in her Killer Frost persona.
Barry Allen: Barry saw Caitlin in her Killer Frost persona.
Iris West: Iris was informed of Caitlin's transformation into Killer Frost (off-screen).
Joe West: Joe was informed of Caitlin's transformation into Killer Frost (off-screen).
Wally West: Wally was informed of Caitlin's transformation into Killer Frost (off-screen).
Tracy Brand: Tracy saw Caitlin in her Killer Frost persona, it is unknown if she was informed of Caitlin's civilian identity.
Harry Wells: Harry saw Caitlin in her Killer Frost persona.
Cecile Horton: Cecile saw Caitlin in her Killer Frost persona.
Cynthia: Cynthia saw Caitlin in her Killer Frost persona.
Jay Garrick: Jay saw Caitlin in her Killer Frost persona.
Matthew Norvock: Norvock saw Caitlin in her Killer Frost persona.
Felicity Smoak: Felicity saw Caitlin in her Killer Frost persona.
Amunet Black: Amunet saw Caitlin in her Killer Frost persona.
Ralph Dibny: Ralph saw Caitlin in her Killer Frost persona.
Mick Rory: Mick saw Caitlin in her Killer Frost persona.
Oliver Queen: Oliver saw Caitlin in her Killer Frost suit.
Kara Danvers: Kara saw Caitlin in her Killer Frost suit.
Alex Danvers: Alex saw Caitlin in her Killer Frost suit.
Sara Lance: Sara saw Caitlin in her Killer Frost suit.
Jefferson Jackson: Jax saw Caitlin in her Killer Frost suit.
Ray Palmer: Ray saw Caitlin in her Killer Frost persona.
Zari Tarazi: Zari saw Caitlin in her Killer Frost persona.
Amaya Jiwe: Amaya saw Caitlin in her Killer Frost persona.
Nate Heywood: Nate saw Caitlin in her Killer Frost persona.
Martin Stein: Caitlin told Martin that she is Killer Frost.
Oliver (Earth-X): Oliver of Earth-X saw Caitlin in her Killer Frost persona.
Curtis Holt: It is likely Curtis saw Caitlin in her Killer Frost persona.
Dinah Drake: Dinah saw Caitlin in her Killer Frost persona.
Rene Ramirez: Rene saw Caitlin in her Killer Frost persona.
Ray Terrill: Ray saw Caitlin in her Killer Frost persona.
Leo Snart: Leo saw Caitlin in her Killer Frost persona.
Jesse Wells: Jesse saw Caitlin in her Killer Frost persona.
Clifford DeVoe: Clifford is aware of Caitlin's Killer Frost persona.
Marlize DeVoe: Marlize is aware of Caitlin's Killer Frost persona.
Nora West-Allen: Due to fact that she is from the future, Nora is aware of Caitlin's alter ego.
John Diggle: John is aware of Caitlin's identity as Killer Frost.
Harrison Sherloque Wells: Sherloque was present when Caitlin regained her powers.
Thomas Snow: Thomas is aware of Caitlin's alter-ego, Killer Frost.
Carla Tannhauser: Caitlin informed Carla of her powers.
Kamilla Hwang: Cisco informed Kamilla Hwang after telling her his identity as Vibe (offscreen).
Ramsey Rosso: Ramsey saw Caitlin in her Frost persona.
Chester P. Runk: Chester saw Caitlin in her Frost persona.

Eobard Thawne/Reverse-Flash

Gideon: Gideon is a sentient computer friend of Eobard's and she knows of all his plans and that he is the Reverse-Flash.
Wade Eiling: Wade was abducted by Eobard and taken to the sewer where Grodd resides, and there Eobard unmasked himself in front of Wade.
Grodd: When Eobard brought Wade to the sewer, he unmasked himself, just before Grodd attacked Wade, though it is likely Grodd knew ahead of time.
Cisco Ramon: After Cisco picked up some high tachyon readings, he found Eobard's secret room along with his Reverse-Flash suit and a newspaper from 2024. Using memories of an alternate timeline, he discovered the truth and his identity of Eobard.
Barry Allen: Barry was present when Cisco made the discovery.
Caitlin Snow: Caitlin was present when Cisco made the discovery.
Joe West: After having long-held suspicions, they were confirmed by Barry's team.
Hannibal Bates: Eobard promised his freedom, if Hannibal pretended to be Eobard and confessed to being Reverse-Flash. However, he was ultimately killed, all of it having been set up.
Eddie Thawne: After having suspicions along with the team, Eobard kidnapped Eddie and revealed his identity, also adding that the two are related.
Iris West-Allen: Barry revealed to Iris in passing conversation that "Wells" was the man in yellow, the same one that killed his mother.
Ronnie Raymond: Ronnie (in his Firestorm form) flew in and watched Eobard turn into the Reverse-Flash. However, it was likely that he was aware ahead of time.
Martin Stein: Martin (in his Firestorm form) flew in and watched Eobard turn into the Reverse-Flash. However, it was likely that he was aware ahead of time.
Oliver Queen: Oliver jumped in and watched Eobard turn into the Reverse-Flash. However, it was likely that he was aware ahead of time.
Harry Wells: Harry became aware of Eobard's identity when his past self traveled to 2016 during his time tracking down the Flash.
Hartley Rathaway: After Barry altered the timeline, Hartley became aware of Eobard's demise.
Damien Darhk: As they are partners, Damien knows about Eobard being Reverse-Flash.
Krieger: While Eobard was in 1942, he made a partnership with Krieger due to him being a high trusted Nazi and also saw him run without his suit on, confronting him.
Malcolm Merlyn: As he is a partner of Eobard, he knows that he is the Reverse-Flash.
Sara Lance: Martin explained to Sara who the Speedster they were fighting was.
Ray Palmer: Martin explained to Ray who the Speedster they were fighting was.
Jefferson Jackson: Martin explained to Jax who the Speedster they were fighting was.
Nate Heywood: Martin explained to Nate who the Speedster they were fighting was.
Mick Rory: Martin explained to Mick who the Speedster they were fighting was.
Amaya Jiwe: Martin explained to Amaya who the Speedster they were fighting was.
Rip Hunter: Rip became aware of Eobard's identity as Reverse-Flash; after he was brainwashed by the latter and became a member of the Legion of Doom.
Leonard Snart: Eobard recruited Leonard (from the year 2014) into the Legion of Doom, a year before he was recruited into the Legends and revealed his identity as Reverse-Flash to the latter.
Oliver (Earth-X): Due to their partnership, Oliver was aware of Eobard identity as Reverse-Flash.
Kara (Earth-X): Due to their partnership, Kara was aware of Eobard identity as Reverse-Flash.
Felicity Smoak: Felicity is aware that Eobard is Reverse-Flash.
Kara Danvers: Kara found out about Reverse-Flash identity when he and Nazis attacked Earth-1.
Alex Danvers: Alex was informed about Eobard identity as Reverse-Flash.
Nora West-Allen: Nora knows that Eobard is Reverse-Flash; due to fact that she is working with him in 2049.

Floyd Lawton/Deadshot

Throughout Floyd's career as the world's deadliest marksman, he became an assassin known under the codename Deadshot; as only a few known individuals are aware of his civilian identity.

Alexi Leonov: Oliver ask Alexi to able to find out Deadshot's identity.
Oliver Queen: Alexi informed Oliver of Floyd's identity as Deadshot.
John Diggle: Oliver informed John of Floyd's identity as Deadshot.
Chien Na Wei: Chien knows that Floyd is Deadshot.
Felicity Smoak: Oliver informed Felicity of Floyd's identity as Deadshot (off-screen).
Lyla Michaels: John informed Lyla of Floyd's identity as Deadshot.
Amanda Waller: After Floyd unwillingly became a member Task Force X, Amanda became aware of his identity as Deadshot.
A.R.G.U.S.: While unconfirmed it's possible that most members of A.R.G.U.S. are aware of Floyd's identity as Deadshot; since he unwillingly became a member of Task Force X.
Mark Scheffer: Mark became aware of Floyd's identity as Deadshot; after he unwillingly became a member of Task Force X.
Ben Turner: Ben became aware of Floyd's identity as Deadshot; after he unwillingly became a member of Task Force X.
Carrie Cutter: Carrie became aware of Floyd's identity as Deadshot; after she unwillingly became a member of Task Force X.
Joseph Cray: Joseph saw Floyd in his Deadshot suit.
Barry Allen: Barry is aware of Floyd's identity as Deadshot.

Grace Parker/Pestilence/Blight

This section is a stub. You can help expand this section by adding some information.

Samantha Arias: Sam is aware of Grace's identity as Pestilence; due to being one of the kryptonian world killers.
Julia Freeman: Julia is aware of Grace's identity as Pestilence; due to being one of the kryptonian world killers.
Kara Danvers: Kara is aware of Grace's identity as Pestilence.
Winn Schott: Winn is aware of Grace's identity as Pestilence.
D.E.O.: While unconfirmed, it's possible that most members of the D.E.O. are aware of Grace's identity as Pestilence.
J'onn J'onzz: J'onn is aware of Grace's identity as Pestilence.
Alex Danvers: Alex is aware of Grace's identity as Pestilence.
Imra Ardeen: Imra is aware of Grace's identity as Pestilence.
Querl Dox: Querl Dox is aware of Grace's identity as Pestilence.
Selena: Selena is aware of Grace's identity as Pestilence; due to being one of the kryptonian dark priestesses.
Vita: Vita is aware of Grace's identity as Pestilence; due to being one of the kryptonian dark priestesses.
Ayala: Ayala is aware of Grace's identity as Pestilence; due to being one of the kryptonian dark priestesses.
Felra: Felra is aware of Grace's identity as Pestilence; due to being one of the kryptonian dark priestesses.

Grace Gibbons/Cicada

This section is a stub. You can help expand this section by adding some information.

Orlin Dwyer: After attacking Team Flash when they used their meta-human cure on Dwyer, a future version of Grace brought Orlin to a cabin to rest and revealed to him that she was a future iteration of his niece.^[24]
Barry Allen:
Cisco Ramon: Cisco is aware of Grace's identity as Cicada.
Caitlin Snow: Caitlin is aware of Grace's identity as Cicada.
Joe West: Joe is aware of Grace's identity as Cicada.
Iris West-Allen: Iris is aware of Grace's identity as Cicada.
Ralph Dibny: Ralph is aware of Grace's identity as Cicada.
Nora West-Allen: Nora is aware of Grace's identity as Cicada.
Harrison Sherloque Wells: Sherloque is aware of Grace's identity as Cicada.
Cecile Horton: Cecile is aware of Grace's identity as Cicada.
Kamilla Hwang: Cisco informed Kamilla of Grace's identity as Cicada; while they were on one of their dates.

Hunter Zolomon/Zoom

Jay Garrick: After he traveled between Earths; Hunter captured Jay and stole his identity on his own Earth.
Cisco Ramon: When the team learned that Zoom needed the Speed Force for survival; Cisco vibed and saw Hunter unmasked in his Zoom suit.
Barry Allen: After Cisco vibed Zoom unmasked, he told Barry of Zoom's identity.
Caitlin Snow: After Cisco vibed Zoom unmasked, he told Caitlin of Zoom's identity.
Joe West: After Cisco vibed Zoom unmasked, he told Joe of Zoom's identity.
Iris West-Allen: After Cisco vibed Zoom unmasked, he told Iris of Zoom's identity.
Harry Wells: After Cisco vibed Zoom unmasked, he told Harry of Zoom's identity.
Caitlin Snow (Earth-2): As Hunter had affections for Earth-1 Caitlin, he imprisoned Earth-2 Caitlin in his lair as a reminder of her, where he often left his mask off, so it can be assumed that Caitlin saw Hunter unmasked in his Zoom suit, during her imprisonment.
Henry Allen: Barry told Henry of Zoom's true identity as the man they believed to be "Jay Garrick", but wasn't informed of his real name as Hunter Zolomon.
Laurel Lance (Earth-2): Due to being a high trusted lieutenant in his meta-human group, Laurel knew who Zoom was as she was seen talking to him while he was unmasked.
Wally West: After Zoom decided to take Joe hostage to force Barry into racing him on the Magnetar, when Zoom and Barry met up before they raced Team Flash came along, seeing Zoom unmasked with Joe next to him.
Jesse Wells: After Zoom decided to take Joe hostage to force Barry into racing him on the Magnetar, when Zoom and Barry met up before they raced Team Flash came along, seeing Zoom unmasked with Joe next to him.
Nora West-Allen: Due to being from the future; Nora is aware of Hunter's identity as Zoom.

Jefferson Jackson and Martin Stein/Firestorm

Caitlin Snow: Previously aware of Martin's identity from his association with Ronnie Raymond, Caitlin researched possible candidates to replace Ronnie as Firestorm, leading her to find Jax.
Barry Allen: Previously aware of Martin's identity from his association with Ronnie, Barry researched possible candidates to replace Ronnie as Firestorm, leading him to find Jax.
Cisco Ramon: Previously aware of Martin's identity from his association with Ronnie, Cisco researched possible candidates to replace Ronnie as Firestorm, leading him to find Jax.
Clarissa Stein: Clarissa became aware of Jax's identity as Martin's new partner (off-screen) shortly before or after the new Firestorm returned to Philadelphia.
Henry Hewitt: Told by Caitlin about Firestorm's powers as he was the second potential meta-human partner to Martin. Found out about Jax's identity when the new Firestorm confronted him with the Flash.
Rip Hunter: Being a former Time Master, Rip must have known about Firestorm to choose them for his team.
Sara Lance: Sara saw Firestorm when the team battled Chronos.
Ray Palmer: Ray saw Firestorm when the team battled Chronos.
Kendra Saunders: Kendra saw Firestorm when the team battled Chronos.
Carter Hall: Carter saw Firestorm when the team battled Chronos.
Leonard Snart: Leonard saw Firestorm when the team battled Chronos.
Mick Rory: Mick saw Firestorm when the team battled Chronos.
Vandal Savage: Being in league with the Time Masters and encountering the team so many times throughout history, Vandal became aware of Jax and Martin's identity as Firestorm.
Valentina Vostok: Valentina had been working on a Soviet Firestorm project in Russia for about 10 years before the team traveled to the year 1986 and realized what she and Vandal were working on. She became aware that Martin was one half of Firestorm when she lifted up his sleeve and saw Jax's hidden message on it due to there Psychic link.
Connor Hawke: Traveling to the year 2046 in Star City, the team ran into Connor, the new Green Arrow, giving away Firestorm's identity.
Ra's al Ghul: Ra's saw Firestorm fight when Chronos came to Nanda Parbat in the year 1960.
Jonah Hex: Jonah saw Firestorm fight against the Hunters traveling to the year 1871.
The Pilgrim: The Pilgrim saw Jax and Stein merge when they fought her.
James Jackson: After being kidnapped by The Pilgrim, James saw his son merge to become Firestorm.
Nate Heywood: Joining the Legends from being a historian, Nate saw Firestorm fight against Damien Darhk in 1942.
Justice Society of America: When encountering the JSA, everyone including Henry Heywood, Charles, Todd Rice, Courtney and Amaya Jiwe saw Jax and Martin merge into Firestorm when they fought against each other.
Eobard Thawne: Due to him being a time traveler, Eobard knows about all the Legends identities, including Firestorm.
Kara Danvers: After traveling to Earth-1 to help with the Dominators, Jax and Martin confirmed their dual identities as Firestorm to Kara.
H.R. Wells: After everyone gathered to help with the Dominators, H.R. overheard Jax and Martin confirming their dual identities as Firestorm.
Oliver Queen: Oliver was present when Jax and Martin confirmed their dual identities as Firestorm to Kara.
John Diggle: John was present when Jax and Martin confirmed their dual identities as Firestorm to Kara.
Thea Queen: Thea was present when Jax and Martin confirmed their dual identities as Firestorm to Kara.
Iris West-Allen: Iris was present when Jax and Martin confirmed their dual identities as Firestorm to Kara.
Felicity Smoak: Felicity was present when Jax and Martin confirmed their dual identities as Firestorm to Kara.
Zari Tarazi: Zari knows Jax and Martin's dual identities as Firestorm; ever since she joined the Legends.
Ava Sharpe: Ava knows Jax and Martin's dual identities as Firestorm.
Wally West: Wally saw Jax and Stein merge when they fought Nazis.
Alex Danvers: Alex saw Jax and Stein merge when they fought Nazis.
Joe West: Joe saw Jax and Stein merge when Nazis attacked them.
Leo Snart: Leo saw Jax and Stein merge when they fought Nazis.
Ray Terrill: Ray saw Jax and Stein merge when they fought Nazis.
Dinah Drake: Dinah saw Jax and Stein merge when they fought Metallo.
Rene Ramirez: Rene saw Jax and Stein merge when they fought Metallo.
Curtis Holt: Curtis saw Jax and Stein merge when they fought Metallo.

Jesse Wells/Jesse Quick

Harry Wells: Sometime after returning to Earth-2; Harry saw Jesse's powers manifested (off-screen).
Julian Albert: Julian is aware of Jesse's identity as Jesse Quick.
Barry Allen: After Jesse returned to Earth-1; Barry saw Jesse using her super speed.
Joe West: After Jesse returned to Earth-1; Joe saw Jesse using her super speed.
Cisco Ramon: After Jesse returned to Earth-1; Cisco saw Jesse using her super speed.
Caitlin Snow: After Jesse returned to Earth-1; Caitlin saw Jesse using her super speed.
Iris West-Allen: After Jesse returned to Earth-1; Iris saw Jesse using her super speed.
Wally West: After Jesse returned to Earth-1; Wally saw Jesse using her super speed.
H.R. Wells: H.R. became acquainted with Jesse shortly before she returned to Earth-2; after he joined Team Flash, H.R. became aware of Jesse's identity as Jesse Quick.
Jay Garrick: Jay is aware of Jesse's identity as Jesse Quick.
Jesse Wells' team All members of the Jesse's are aware of her identity as Jesse Quick.

J'onn J'onzz/Hank Henshaw/Martian Manhunter

Alex Danvers: After J'onn saved Alex from Jemm, he revealed to her that he is not Hank Henshaw, as the real Hank had been "dead" for 10 years, and he revealed his true form to Alex.
Kara Danvers: J'onn revealed his true identity to Kara (off-screen).
Winn Schott: J'onn revealed his true identity to Winn (off-screen).
James Olsen: J'onn revealed his true identity to James (off-screen).
D.E.O.: When Kara (under the influence of Red Kryptonite) was about to kill Alex, J'onn was forced to reveal true form in front of all D.E.O., agents present.
Jim Harper: After the Red Kryptonite incident, Jim Harper is notified of J'onn's identity.
Lucy Lane: After returning to the army, Lucy is made aware of J'onn's identity during the Red Kryptonite incident.
Maxwell Lord: Max is made aware of J'onn's identity during the Red Kryptonite incident.
Clark Kent: Clark has been aware of J'onn's identity as Martian Manhunter for years.
Eliza Danvers: J'onn revealed his true identity to Eliza.
Olivia Marsdin: Olivia is made aware of J'onn's identity when he fought a red-kryptonite infected Supergirl that revealed him to the rest of the world.
Mon-El: Mon-El is told by Kara about J'onn's identity as a Green Martian.
M'gann M'orzz: M'gann met J'onn in his own form when he visited Al's Dive Bar.
Lillian Luthor: Lillian is aware of J'onn's identity as the Martian Manhunter.
Lena Luthor: Lena is aware of J'onn's identity as the Martian Manhunter.
Hank Henshaw: Hank is aware of J'onn's identity as the Martian Manhunter, and his assuming his own identity.
Barry Allen: Barry first meets J'onn when he and Mon-El bring a comatose Kara to their Earth.
Caitlin Snow: Caitlin first meets J'onn when he and Mon-El bring a comatose Kara to their Earth.
Cisco Ramon: Cisco first meets J'onn when he and Mon-El bring a comatose Kara to their Earth.
H.R. Wells: H.R. first meets J'onn when he and Mon-El bring a comatose Kara to their Earth.
Iris West-Allen: Iris first meets J'onn when he and Mon-El bring a comatose Kara to their Earth.
Wally West: Wally first meets J'onn when he and Mon-El bring a comatose Kara to their Earth.
Joe West: Joe first meets J'onn when he and Mon-El bring a comatose Kara to their Earth.
M'yrnn J'onzz: After reuniting with his son J'onn, M'yrnn was eventually told what happened since they last saw each other.

Julia Freeman/Purity

Following her awakening at the Fortress of Sanctuary; Julia has unwillingly become the Kryptonian worldkiller known as Purity.

Samantha Arias: Sam is aware of Julia's identity as Purity; due to being one of the Kryptonian world killers.
Vanita: Vanita saw Julia get hit by a car and survived.
Kara Danvers: Kara saw Julia in her Purity persona; in one of her dreams.
Winn Schott: Kara informed Winn of Julia's identity as Purity.
Mon-El: Kara informed Mon-El of Julia's identity as Purity.
D.E.O.: While unconfirmed, it's possible that most members of the D.E.O. are aware of Julia's identity as Purity.
J'onn J'onzz: J'onn was informed of Julia's identity as Purity (off-screen).
Alex Danvers: Alex was informed of Julia's identity as Purity (off-screen).
Imra Ardeen: Imra was informed of Julia's identity as Purity (off-screen).
Querl Dox: Querl was informed of Julia's identity as Purity (off-screen).
Selena: Selena is aware of Julia's identity as Purity; due to being one of the Kryptonian dark priestesses.
Vita: Vita is aware of Julia's identity as Purity; due to being one of the Kryptonian dark priestesses.
Ayala: Ayala is aware of Julia's identity as Purity; due to being one of the Kryptonian dark priestesses.
Felra: Felra is aware of Julia's identity as Purity; due to being one of the Kryptonian dark priestesses.

Jefferson Pierce/Black Lightning

To give the citizens hope and to save his city, Jeff uses his powers to fight crime; becoming the superhero known as "Black Lightning".

Peter Gambi: Gambi is aware of Jeff's identity as Black Lightning; as he was the one who designed Jeff's suit when he first became Black Lightning.^[25]
Lynn Stewart: Lynn is aware of Jeff's identity as Black Lightning.^[25]
Anissa Pierce: After fighting him unknowingly, she was beaten and knocked out, causing Jeff to voluntarily reveal his identity as Black Lightning to her when she woke up.^[1]
Jennifer Pierce: After Anissa revealed her identity as Thunder to Jennifer, she also revealed Jeff's identity as Black Lightning to her as well.^[2]
Martin Proctor: Martin found out after Jefferson caused a power outage after being captured.^[26]
Kara Fowdy: Kara found out after being told by Martin Proctor.^[26] But after seeing a hologram of Black Lightning in action made by Gambi, at the same time that Jefferson was in police custody, it seems that she no longer believes that Jeff is Black Lightning.^[27]
Bill Henderson: Henderson was able to piece together that Jeff is Black Lightning and later got confirmation when Jeff decided to unmask himself.^[3]
Khalil Payne: After Jeff and Anissa rescued Khalil and Jennifer, he was able to piece together that Jeff is Black Lightning.^[4]
Odell: After setting up cameras in the Pierce house, Odell became aware of Jeff's identity as Black Lightning.^[5]
A.S.A.
Tobias Whale: Tobias was able to figure out that Jeff is Black Lightning.^[7]
Grace Choi: Using her enhanced sense of smell, Grace was able to match Jefferson's scent with Black Lightning's and figure out that they're the same person.^[28]
Barry Allen (Earth-90): Barry saw Jefferson with the Black Lightning suit.
Harrison Nash Wells: Nash as Pariah was aware of Jeff's identity as Black Lightning. He became aware once more when J'onn restored his memories of his time as Pariah on Earth-Prime.
Barry Allen: Barry is aware of Jeff's identity as Black Lightning.
Cisco Ramon: Cisco is aware of Jeff's identity as Black Lightning.
Caitlin Snow: Caitlin is aware of Jeff's identity as Black Lightning.
Iris West-Allen: Iris is aware of Jeff's identity as Black Lightning.
Ralph Dibny: Ralph is aware of Jeff's identity as Black Lightning.
Clark Kent (Earth-96): During the Anti-Monitor crisis, he was aware of Jeff's identity as Black Lightning. However, due to being killed and replaced by Lex Luthor and the recreation of the multiverse, he might no longer know it.
Clark Kent: Clark is aware of Jeff's identity as Black Lightning.
John Diggle: John is aware of Jeff's identity as Black Lightning.
Ryan Choi: Ryan is aware of Jeff's identity as Black Lightning.
Kate Kane: Kate is aware of Jeff's identity as Black Lightning.
Kara Danvers: Kara is aware of Jeff's identity as Black Lightning.
Sara Lance: Sara is aware of Jeff's identity as Black Lightning.
J'onn J'onzz: J'onn is aware of Jeff's identity as Black Lightning.
Hassan Shakur: Jefferson told Hassan his secret to make Hassan compliant to Jefferson's plans.^[29]

Jennifer Pierce/Lightning

This section is a stub. You can help expand this section by adding some information.

Anissa Pierce: Anissa is aware of Jennifer's identity as Lightning.
Jefferson Pierce: Jefferson is aware of Jennifer's identity as Lightning.
Lynn Stewart: Lynn is aware of Jennifer's identity as Lightning.
Peter Gambi: Gambi is aware of Jennifer's identity as Lightning.
Grace Choi: Grace is aware of Jennifer's identity as Lightning.
Perenna: Perenna is aware of Jennifer's identity as Lightning.
Khalil Payne: Khalil is aware of Jennifer's identity as Lightning.
Odell: After setting up cameras in the Pierce house, Odell became aware of Jen's identity as Lightning.^[5]
A.S.A.: A.S.A. is aware of Jennifer's identity as Lightning.
Tobias Whale: Tobias is aware of Jennifer's identity as Lightning.
Brandon Marshall: Brandon is aware of Jennifer's identity as Lightning.
Baron: Baron is aware of Jennifer's identity as Lightning.
Uriah: Jennifer/JJ used her powers in her civilian identity in front of Uriah to try to protect him from Red.^[30]

Kal-El/Clark Kent/Superman

"You're saying you're Superman?"
"No, I've seen Superman before. We've seen him."

—Jonathan and Jordan Kent^[src]

Jeremiah Danvers: Clark came to Jeremiah so he could help Clark understand his own powers and is aware of his civilian identity.^[31]
Eliza Danvers: Clark came to Eliza so she could help Clark understand his own powers and is aware of his civilian identity.^[31]
Kara Danvers: When Kara arrived on Earth, she saw Clark in his Superman suit and is aware of his civilian identity.^[31]
J'onn J'onzz: At some point, J'onn discovered or Clark revealed his identity as Superman to him.
James Olsen: At some point, James discovered or Clark revealed his identity as Superman to him.^[31]
Winn Schott: Kara and James argue about involving Superman in fighting Ben Krull, during this James refers to him as Clark, Winn then figures out he is referring to Clark Kent and that he is Superman.
Alex Danvers: Alex has been aware of Clark's identity as Superman for years.
D.E.O.: While unconfirmed, it's possible that most members of the D.E.O. are aware of Clark's identity as Superman.
Barry Allen: Kara told Barry about Clark, who is mentioned to be "more famous".
Lyra Strayd: Lyra was right next to James when he was talking about Clark to Winn.
Lois Lane: Lois is aware of Clark's identity as Superman.
Eobard Thawne: Eobard told Kara that he fought Clark in the future.
Oliver Queen: Oliver was introduced to Clark by Kara.
Cisco Ramon: Cisco was informed about Clark's identity as Superman.
Caitlin Snow: Caitlin was informed about Clark's identity as Superman.
Iris West-Allen: Iris was informed about Clark's identity as Superman.
Ralph Dibny: Ralph was informed about Clark's identity as Superman.
Harrison Sherloque Wells: Sherloque was informed about Clark's identity as Superman.
Mar Novu: Novu is aware of Clark's identity as Superman.
John Deegan: Deegan is aware of Clark's identity as Superman.
Querl Dox: Querl is aware of Clark's identity as Superman.
Martha Kent: Martha created the original suit Clark donned as a vigilante.^[32]
Sam Lane: Sam is aware of Clark's identity as Superman.^[32]
Jonathan Kent: Clark revealed that he was Superman when Jonathan and Jordan confronted Clark after they found Kal-El's pod.^[32]
Jordan Kent: Clark revealed that he was Superman when Jonathan and Jordan confronted Clark after they found Kal-El's pod.^[32]

Kara Zor-El/Kara Danvers/Supergirl

"Very few people know my true identity because it's not safe for them to, but I'm telling you..."

—Kara Danvers^[src]

Clark Kent: After CatCo Worldwide Media announced that Flight 237 was saved by Supergirl, Clark quickly figured out that Kara is Supergirl.^[31]
Alex Danvers: After Kara saved Flight 237, Alex quickly figured out that Kara is Supergirl. J'onn J'onzz later erased Alex's memories of Kara's civilian identity; albeit with her consent, when Lauren Haley began to use truth-seeking aliens in her investigation to discover Supergirl's identity. Alex later regained her memories.^[31]
Winn Schott: After Kara showed her powers to Winn, she revealed her identity as Supergirl to him.^[31]
J'onn J'onzz: J'onn was already aware that Kara is a Kryptonian; he learned this from her adoptive father Jeremiah. After CatCo Worldwide Media announced that Flight 237 was saved by Supergirl, J'onn quickly figured out that Kara is Supergirl.^[31]
James Olsen: James was already aware that Kara is a Kryptonian; he learned this from her cousin Clark Kent. After CatCo Worldwide Media announced that Flight 237 was saved by Supergirl, James quickly figured out that Kara is Supergirl.^[31]
Astra: After CatCo Worldwide Media announced that Flight 237 was saved by Supergirl, Astra quickly figured out that Kara is Supergirl, she is also aware of Kara's civilian identity.^[31]
Non: After CatCo Worldwide Media announced that Flight 237 was saved by Supergirl, Non quickly figured out that Kara is Supergirl, he is also aware of Kara's civilian identity.^[31]
Eliza Danvers: After CatCo Worldwide Media announced that Flight 237 was saved by Supergirl, Eliza quickly figured out that Kara is Supergirl.^[31]
Cat Grant: After a number of interactions with Supergirl, Cat was able to figure out that Kara is Supergirl; even after J'onn J'onzz took Supergirl's form and entered into Cat's office along with Kara, she was not fooled at all, as she (correctly) believed it was an individual with the power of shape-shifting, but continues to act like she was fooled in front of Kara.
Maxwell Lord: At dinner with Alex Danvers, Maxwell planted a tiny camera on her purse and through it discovered Kara's identity as Supergirl.
Lucy Lane: Kara and James revealed the former's identity as Supergirl to Lucy out of desperation to save J'onn and Alex from Project Cadmus.
Alphonse Luzano: Alphonse was told by Supergirl that her name is Kara.
Barry Allen: Barry saved Kara from falling off the CatCo building; Kara then revealed her superheroine identity to Barry.^[11]
Mon-El: Mon-El is aware of Kara's identity as Supergirl.
Jeremiah Danvers: Jeremiah is aware of Kara's identity as Supergirl.
Cisco Ramon: Barry introduced Kara to Cisco.
Oliver Queen: Barry introduced Kara to Oliver when she met the team.
Thea Queen: Barry introduced Kara to Thea when she met the team.
John Diggle: Barry introduced Kara to John when she met the team.
Jefferson Jackson: Barry introduced Kara to Jax when she met the team.
Martin Stein: Barry introduced Kara to Martin when she met the team.
Mick Rory: Barry introduced Kara to Mick when she met the team.
Sara Lance: Barry introduced Kara to Sara when she met the team.
Felicity Smoak: Barry introduced Kara to Felicity when she met the team.
Iris West-Allen: Barry introduced Kara to Iris when she met the team.
Caitlin Snow: Barry introduced Kara to Caitlin when she met the team.
H.R. Wells: Barry introduced Kara to H.R. when she met the team.
Amaya Jiwe: Amaya is aware of Kara's identity as Supergirl.
Nate Heywood: Nate is aware of Kara's identity as Supergirl.
Curtis Holt: Curtis is aware of Kara's identity as Supergirl.
Rene Ramirez: Rene is aware of Kara's identity as Supergirl.
Rory Regan: Rory is aware of Kara's identity as Supergirl.
Susan Brayden: Susan is aware of Kara's identity as Supergirl.
Maggie Sawyer: Maggie figured out that Kara is Supergirl, and confirmed it with Alex.
Mxyzptlk: Mxyzptlk is aware of Kara's identity as Supergirl.
Music Meister: Music Meister is aware of Kara's identity as Supergirl.
Joe West: After Kara was whammied by Music Meister, she was brought to S.T.A.R. Labs on Earth-1 by Mon-El and J'onn J'onzz hoping that Team Flash could help her; Joe saw Kara in her Supergirl suit.
Wally West: After Kara was whammied by Music Meister, she was brought to S.T.A.R. Labs on Earth-1 by Mon-El and J'onn J'onzz hoping that Team Flash could help her; as a result, Wally saw Kara in her Supergirl suit.
Rick Malverne: Rick witnessed Kara using her powers as a child, years later, after Kara saved Flight 237, Rick quickly figured out that Kara is Supergirl. However, his mind was later scheduled to be wiped so that he'd forget this information.
Eobard Thawne: Due to being from the future; Eobard is aware of Kara's identity as Supergirl.
Kara (Earth-X): Due to being Kara's doppelgänger, Earth-X Kara is aware of her doppelgänger's identity as Supergirl.
Oliver (Earth-X): Earth-X Oliver is aware of Kara's identity as Supergril.
Ray Terrill: Ray was informed of Kara's identity as Supergirl.
Leo Snart: Leo was informed of Kara's identity as Supergirl.
Dinah Drake: Dinah was informed of Kara's identity as Supergirl.
Zari Tarazi: Zari was informed of Kara's identity as Supergirl.
Rhea: Mon-El informed Rhea of Kara's Kryptonian name and identity as Supergirl. However, after Rhea saw her human name on Lena's cell phone, when she answered it and heard her voice, Rhea is now aware of Kara's civilian identity.
Lillian Luthor: Lillian is aware of Kara's identity as Supergirl. However, Lena used Myraid to erase this knowledge.^[33]
M'yrnn J'onzz: Kara helped J'onn get M'yrnn off Mars and took him to Earth to live a new life where he was filled in on everything.
Thomas Coville: Thomas was observant to quickly figure out that Kara is Supergirl; after meeting her in civilian persona since she saved his life on Flight 237.
Kenny Li: Back in Midvale High School, Kenny discovered that Kara was an alien; as he saw her flying via his telescope, that stored an image of Kara on his laptop.
Nora West-Allen: Due to being from the future; Nora is aware of Kara's identity as Supergirl.
Lois Lane: Lois is aware of Kara's identity as Supergirl.
Mar Novu: Novu is aware of Kara's identity as Supergirl.
Ralph Dibny: Ralph was informed about Kara's identity as Supergirl.
Harrison Sherloque Wells: Sherloque was informed of Kara's identity as Supergirl.
John Deegan: Deegan is aware of Kara's identity as Supergirl.
Kate Kane: Kate is aware of Kara's identity as Supergirl.
Reiff: Reiff was aware of Kara's identity as Supergirl. J'onzz later erased Reiff's memories of Kara's civilian identity; albeit with her consent, when Lauren Haley began to use truth-seeking aliens in her investigation to discover Supergirl's identity.
Wolf: Wolf was aware of Kara's identity as Supergirl. J'onzz later erased Wolf's memories of Kara's civilian identity; albeit with his consent, when Lauren Haley began to use truth-seeking aliens in her investigation to discover Supergirl's identity.
Lawrence: Lawrence was aware of Kara's identity as Supergirl. J'onzz later erased Lawrence's memories of Kara's civilian identity; albeit with his consent, when Lauren Haley began to use truth-seeking aliens in her investigation to discover Supergirl's identity.
Lauren Haley: After interrogating Reiff (despite her best efforts to lie) Lauren was able to figure out that Kara is Supergirl; however, J'onn J'onzz erased Lauren's memories of Kara's civilian identity.
Nia Nal: After witnessing the fall out between Nia and her sister, Kara told Nia that she understood her better than anyone and revealed to Nia that she is Supergirl.^[34]
Lex Luthor: Lex is aware of Kara's identity as Supergirl. However, Lena used Myraid to erase this knowledge.^[33]
Red Daughter: Lex informed Red Daughter of Kara's identity as Supergirl.
Lena Luthor: Lex showed Lena a video recording of Kara using her Kryptonian powers; Lex also informed Lena of Kara's identity as Supergirl.
Kelly Olsen: Alex informed Kelly of Kara's identity as Supergirl (off-screen).^[35]

Kate Kane/Batwoman

"Why does this rando teen get to know you're Batwoman?"

—Mary Hamilton to Kate Kane about Parker Torres^[src]

Luke Fox: Luke is aware of Kate's identity as Batwoman, as he was the one who re-designed the Batsuit for Kate when he first became Batwoman.^[36]
Bruce Wayne: Bruce is aware of Kate's identity as Batwoman, because she sends letters to her cousin, regarding her adventures as Batwoman.^[36]
Beth Kane: After the explosion on Loeb Bridge, Kate saved her sister, Beth from drowning again and the latter looked into the bat vigilante's eyes, Beth realized that Kate is Batwoman.^[37]
Jonathan Cartwright: Jonathan tricked Beth into revealing to him that Kate is Batwoman, by disguising his voice on a phone call with Beth.^[38]
Sophie Moore: Sophie figures out that Kate is Batwoman,^[38] but after she saw both Kate and Batwoman the same room together (who was actually Julia Pennyworth in disguise) she now believes that the former is not the female bat vigilante. Months later, after Kate's apparent death, Julia gave a letter to Sophie that was written by Kate revealing her secret identity as Batwoman.^[39]
Julia Pennyworth: Julia was able to figure out that Kate is Batwoman; after getting into a direct confrontation with her, since Kate used a combat style that Julia taught her years earlier.^[21]
Kara Danvers: Having X-ray vision; Kara was able to figure out that Kate is Batwoman.
Lyla Michaels: Lyla is aware of Kate's identity as Batwoman.
Oliver Queen: Oliver saw Kate unmasked in her Batwoman suit.
Mia Queen: Mia saw Kate unmasked in her Batwoman suit.
Clark Kent: Clark saw Kate unmasked in her Batwoman suit.
Lois Lane: Lois saw Kate unmasked in her Batwoman suit.
Alex Danvers: Alex saw Kate unmasked in her Batwoman suit.
J'onn J'onzz: J'onn saw Kate unmasked in her Batwoman suit.
Querl Dox: Querl saw Kate unmasked in her Batwoman suit.
Mar Novu: Novu is aware of Kate's identity as Batwoman.
Barry Allen: Barry saw Kate unmasked in her Batwoman suit.
Ray Palmer: Ray saw Kate unmasked in her Batwoman suit.
Sara Lance: Sara saw Kate unmasked in her Batwoman suit.
Parker Torres: Beth forced Kate to reveal her identity as Batwoman to Torres.^[40]
Beth Kane (Earth-TUD14): Kate informed Earth-TUD14 Beth of her secret identity as Batwoman; by showing her the Batcave and the tunnels.^[41]
Mary Hamilton: After piecing together that both Kate and Batwoman were injected with ketamine at the same time; Mary quickly figured out that Kate is Batwoman.^[42] When Mary revealed to Kate that she knew, Kate confirmed that she was in fact, Batwoman, although Luke tried unsuccessfully to convince Mary that she wasn't.
Tommy Elliot: Beth informed Tommy of Kate's identity as Batwoman to make him more compliant to her plans.^[43]
Ryan Wilder: After finding the Batwoman suit in the wreckage of a Wayne Enterprises plane and learning that Kate, who was on the plane, was missing, Ryan quickly figured out that Kate is Batwoman. Ryan's suspicions of Kate being Batwoman were confirmed when she was mistaken for Kate by Luke and Mary, who yelled Kate's name. ^[39]
Jacob Kane: Beth informed Jacob of Kate's identity as Batwoman in order to spite him for shooting at and trying to kill Kate days earlier.^[39]

Laurel Lance/Black Canary (Earth-2)

Laurel used to be the criminal Black Siren, but to establish her atonement intentions, as she became Black Canary.

Felicity Smoak: Felicity gave Laurel her Earth-1 counterpart's Black Canary suit.
Dinah Drake: Dinah was present when Felicity gave Laurel her Earth-1 counterpart's Black Canary suit.
Oliver Queen: Oliver fought alongside Laurel while she was wearing her Black Canary suit.
John Diggle: John fought alongside Laurel while she was wearing her Black Canary suit.
Rene Ramirez: Rene fought alongside Laurel while she was wearing her Black Canary suit.
Curtis Holt: Curtis fought alongside Laurel while she was wearing her Black Canary suit.
Roy Harper: Roy fought alongside Laurel while she was wearing her Black Canary suit.
Ben Turner: Ben fought alongside Laurel while she was wearing her Black Canary suit.
Adrian Chase (Earth-2): Adrian is aware of Laurel's identity as Black Canary; as he worked alongside her to protect Starling City of Earth-2.

Mari/Vixen

Cisco Ramon: Cisco saw Mari using her powers via S.T.A.R. Labs facial recognition algorithm, and gave her the codename Vixen.
Barry Allen: Barry saw Mari using her powers via S.T.A.R. Labs facial recognition algorithm, and was present when Cisco gave her the codename Vixen.
Oliver Queen: Barry informed Oliver of Mari's identity as Vixen (off-screen).
Chuck McCabe: Chuck saw Mari in her Vixen suit.
Jefferson Jackson: Jax in his Firestorm form, saw Mari in her Vixen suit.
Martin Stein: Martin in his Firestorm form, saw Mari in her Vixen suit.
Mark Mardon: Mark saw Mari in her Vixen suit.
Benatu Eshu: Benatu saw Mari in her Vixen suit.
Kuasa: Kuasa saw Mari in her Vixen suit.
Felicity Smoak: Felicity was informed of Mari's identity as Vixen (off-screen).
Ray Palmer: Ray saw Mari in her Vixen suit.
Laurel Lance: Laurel saw Mari in her Vixen suit.
Adam Macalester: Macalester saw Mari in her Vixen suit.
Damien Darhk: Damien saw Mari in her Vixen suit.
Samantha Clayton: Samantha saw Mari in her Vixen suit, when she was present in the Arrowcave.
Thea Queen: Thea saw Mari in her Vixen suit.
John Diggle: John saw Mari in her Vixen suit, when he was present in the Arrowcave.
Quentin Lance: Quentin saw Mari in her Vixen suit, when he was present in the Arrowcave.
Amaya Jiwe: As Mari's grandmother, Ray eventually told Amaya about her granddaughter and who she would one day become.
Nate Heywood: Ray informed Nate that Mari is the present day Vixen.
Lena Vargas: Mari revealed her identity to Lena as Vixen.

Mia Queen/Blackstar/Green Arrow

Laurel Lance (Earth-2): Laurel gave Mia her Green Arrow suit.^[44]
Dinah Drake: Dinah was present when Mia got her Green Arrow suit.^[44]
Felicity Smoak: Felicity learned about her when returning to the Arrowcave and meeting in Oliver's funeral.^[45]

Nia Nal/Dreamer

Kara Danvers: Nia showed Kara her abilities and she helped her to become the superhero Dreamer.
Querl Dox: Nia showed Querl her abilities and he helped her to become the superhero Dreamer.
Isabel Nal: Nia's powers were revealed to Isabel when she died. Leading her to see the next Dreamer in her final vision.
Paul Nal: Isabel informed Paul of Nia having the powers of the Dreamer; when she come to him in his dreams after she died.
Maeve Nal: Were Nia saved Maeve from an attack by a member of the Children of Liberty, moments before it happened; Maeve figure out that Nia has the powers of the Dreamer.
J'onn J'onzz: J'onn was informed of Nia's identity as Dreamer (off-screen).
James Olsen: James was informed Nia's identity as Dreamer (off-screen).

Nora West-Allen/XS

Lia Nelson: Lia saw Nora using her super speed.
Eobard Thawne: Eobard is aware of Nora's identity as XS; because she works with him.
August Heart: August saw Nora using her super speed.
Iris West-Allen: Nora informed Iris of her identity as XS.
Barry Allen: Nora informed Barry of her identity as XS.
Cisco Ramon: Nora informed Cisco of her identity as XS.
Caitlin Snow: Nora informed Caitlin of her identity as XS.
Joe West: Nora informed Joe of her identity as XS.
Cecile Horton: Nora informed Cecile of her identity as XS.
Ralph Dibny: Nora informed Ralph of her identity as XS.
Wally West: Nora informed Wally of her identity as XS.
Harrison Sherloque Wells: When he joined the team, Sherloque was informed of Nora's identity as XS.
Gideon: Gideon is aware of Nora's identity as XS.
Harrison Wolfgang Wells: Wolfgang is aware of Nora's identity as XS.
Thomas Snow: Thomas is aware of Nora's identity as XS.
Grace Gibbons: Grace figured out that Nora is XS.^[46]
Lyla Michaels: Barry informed Lyla about Nora's identity as XS.^[13]
Joslyn Jackam: Joss figured out that Nora is XS.

Ronnie Raymond and Martin Stein/Firestorm

Caitlin Snow: After Firestorm had stalked Caitlin, she followed him back to the Central City Shopping Mall garage, discovering that Ronnie was alive. However, wanting her to stay away, he used his pyrokinesis to create fire. She later learned of the full nature of Firestorm from Cisco Ramon; that the two had merged.
Cisco Ramon: After tracking him down into sewers, Firestorm used his fire again to distract the two and run off. Cisco later learned from Hartley Rathaway the true nature of Firestorm, that the two men had merged.
Barry Allen: Firestorm saved Barry during his fight with the Reverse-Flash, before flying away through the use of his flames.
Eobard Thawne: Eobard learned of the merging of Ronnie and Martin through his scientists, eventually figuring out a way to allow them to separate temporarily, and then merge willingly to create harmony.
Hartley Rathaway: Hartley discovered that Ronnie and Martin had merged through CCTV footage of the accident.
Clarissa Stein: Barry's team explained to Clarissa about her husband's condition, and used her to convince Firestorm to let their team help them.
Wade Eiling: Wade knew of the F.I.R.E.S.T.O.R.M. program, and kidnapped Martin so he could weaponize what made Firestorm so valuable.
Iris West-Allen: Iris researched the "burning man" as part of her job and sensed a connection between him and Caitlin. When Iris discovered Barry's secret, Caitlin confirmed her theories.
Oliver Queen: Oliver battled the Reverse-Flash with Firestorm and the Flash.
Jefferson Jackson: After Team Flash convinced Jax to become the new Firestorm, Caitlin revealed that Martin's old partner was Ronnie, who died closing the singularity and that was part of what convinced Jax to take up the new mantle.

Roy Harper/Arsenal

Oliver Queen After Roy joined Team Arrow; Oliver became aware of Roy's identity as Arsenal.
John Diggle After Roy joined Team Arrow; John became aware of Roy's identity as Arsenal.
Felicity Smoak After Roy joined Team Arrow; Felicity Smoak became aware of Roy's identity as Arsenal.
Sara Lance After Roy joined Team Arrow; Sara became aware of Roy's identity as Arsenal.
Laurel Lance: After Laurel joined Team Arrow; she discovered Roy's identity as Arsenal.
Nyssa al Ghul: When Nyssa temporarily joined Team Arrow; she became aware of Roy's identity as Arsenal.
Barry Allen: When Barry was visiting Starling City to help the Arrow; he became aware of Roy's identity as Arsenal.
Caitlin Snow: When Caitlin was visiting Starling City to help the Arrow; she became aware of Roy's identity as Arsenal.
Cisco Ramon: When Cisco was visiting Starling City to help the Arrow; he became aware of Roy's identity as Arsenal.
Thea Queen: Thea was able to deduce that Roy was the red-hooded counterpart to the Arrow.
Quentin Lance: Quentin was able to make the connection between Roy's red hoodie and working with the Arrow, therefore; concluding him as Arsenal.
Curtis Holt: When discussing Wild Dog with Oliver and Felicity Curtis mention Oliver shooting Roy in the leg before recruiting Roy into Team Arrow; implying Curtis knows about Roy being Arsenal.

Ralph Dibny/Elongated Man

Barry Allen: Barry saw Ralph's powers manifested.
Joe West: Joe saw Ralph's powers manifested.
Caitlin Snow: Barry and Joe brought Ralph to S.T.A.R. Labs, so Caitlin, along with Harry, could figure out how to stable his uncontrollable powers.
Harry Wells: Barry and Joe brought Ralph to S.T.A.R. Labs, so Harry, along with Caitlin, could figure out how to stable his uncontrollable powers.
Iris West-Allen: After arriving at S.T.A.R. Labs, Iris saw Ralph in an uncontrollable state.
Cisco Ramon: Cisco saw Ralph using his powers (off-screen).
Josh: Josh saw Ralph using his powers via one of the S.T.A.R. Labs computer recordings.
Anthony Bellows: Anthony discovered that Ralph is a meta-human; after he tried to kill him.
Felicity Smoak: Felicity saw Ralph using his powers in S.T.A.R. Labs' Speed lab.
Clifford DeVoe: Clifford is aware of Ralph's identity as Elongated Man.
Marlize DeVoe: Marlize is aware of Ralph's identity as Elongated Man.
Cecile Horton: Cecile was informed of Ralph's identity as Elongated Man (off-screen).
Izzy Bowin: Izzy figured out that Ralph is Elongated Man; after Barry revealed his identity as the Flash to her in order to gain the latter's trust.
Nora West-Allen: Due to the fact that Nora is from the future; she is aware of Ralph's identity as Elongated Man.
Wally West: Wally is probably aware of Ralph's identity as Elongated Man.
Harrison Sherloque Wells: When Sherloque joined the team; he was informed of Ralph's identity as Elongated Man.
Thomas Snow: Thomas is aware about Ralph's identity as Elongated Man.
Oliver Queen: Oliver saw Ralph in his Elongated Man suit.
Kara Danvers: Kara saw Ralph in his Elongated Man suit.
Clark Kent: Clark saw Ralph in his Elongated Man suit.
Kamilla Hwang: Kamilla is aware of Ralph's identity as the Elongated Man.
Harrison Nash Wells: Nash is aware of Ralph's identity as the Elongated Man.
Ray Palmer: Ray is aware of Ralph's identity as the Elongated Man.
Lois Lane: Lois saw Ralph in his Elongated Man suit.
Ryan Choi: Ralph informed Ryan of his identity as Elongated Man.
Jefferson Pierce: Jax saw Ralph in his Elongated Man suit.
Clark Kent (Earth-96): Clark of Earth-96 saw Ralph in his Elongated Man suit.
John Diggle: John saw Ralph in his Elongated Man suit.
Mobius: Mobius saw Ralph in his Elongated Man suit.
Sue Dearbon: Ralph used his powers to get Sue off a roof while bad guys were chasing them; she quickly figured out that Ralph is Elongated Man.^[47]

Ryan Wilder/Batwoman

"Do you know who I am?"

—Ryan Wilder^[src]

Luke Fox: Ryan revealed her identity as Batwoman to Luke.^[39]
Mary Hamilton: Ryan revealed her identity as Batwoman to Mary.^[39]
Beth Kane: Ryan revealed her identity as Batwoman to Beth as she tried to kill Beth to avenge Cora Lewis.^[48]
Sophie Moore: Sophie heard a recording of Ryan saying that she wished she had the Batsuit.^[49]
Kate Kane: Kate learned about Ryan's identity as Batwoman by her team.^[50]
Roman Sionis: Kate revealed that Ryan was Batwoman while under the influence of Circe Sionis' personality.^[51]
Safiyah Sohail: Kate revealed that Ryan was Batwoman while under the influence of Circe Sionis' personality.^[51]
Susan Stevens: Ryan revealed that she was Batwoman in order to get help from Susan to escape from jail.^[51]

Samantha Arias/Reign

Following Sam's awakening at the Fortress of Sanctuary; she has unwillingly become the Kryptonian world killer known as Reign.

Lena Luthor: After Lena saw Sam's eyes (briefly) flash red; she quickly figured out that Sam is Reign.
Julia Freeman: Julia is aware of Sam's identity as Reign; due to her being one of the Kryptonian world killers.
Grace Parker: Grace is aware of Sam's identity as Reign; due to her being one of the Kryptonian world killers.
Kara Danvers: When breaking into Lena's lab; Kara saw Sam become Reign.
J'onn J'onzz: When breaking into Lena's lab; J'onn saw Sam become Reign.
Mon-El: When breaking into Lena's lab; Mon-El saw Sam become Reign.
Imra Ardeen: When breaking into Lena's lab; Imra saw Sam become Reign.
Querl Dox: Querl was informed of Sam's identity as Reign (off-screen).
D.E.O.: While unconfirmed, it's possible that most members of the D.E.O. are aware of Sam's identity as Reign.
James Olsen: Lena informed James of Sam's identity as Reign.
Ruby Arias: Ruby saw Sam unmasked in her Reign suit.
Selena: Selena is aware of Sam's identity as Reign; due to being one of the Kryptonian dark priestesses.
Vita: Vita is aware of Sam's identity as Reign; due to being one of the Kryptonian dark priestesses.
Ayala: Ayala is aware of Sam's identity as Reign; due to being one of the Kryptonian dark priestesses.
Felra: Felra is aware of Sam's identity as Reign; due to being one of the Kryptonian dark priestesses.

Sebastian Blood/Brother Blood

Roger Trigon: As the leader of the Church of Blood, Roger was the one who gave Sebastian his secret identity ^[52].
Daily: As he was part of the Church of Blood, Daily was aware of Sebastian's identity as Brother Blood, even posing as him, leading to his ultimate demise.
Cyrus Gold: As he was a childhood friend of Sebastian as well as part of the Church of Blood, Cyrus was aware of Sebastian's identity as Brother Blood.
Slade Wilson: As the man behind the activities of the Church of Blood, Slade is aware of Sebastian's identity as Brother Blood.
Isabel Rochev: As she was part of the Church of Blood, Isabel was aware of Sebastian's identity as Brother Blood.
Laurel Lance: Laurel first suspected Sebastian when she was investigating him after the death of Lucas Hilton. Later on, when she found out Sebastian wrote a press statement about Moira Queen's death, she learned that Sebastian was Brother Blood.
Oliver Queen: After Laurel discovered that Sebastian was Brother Blood, she went to tell Oliver about this; allowing him to take him down.
John Diggle: After Laurel told Oliver of Sebastian's identity, John (presumably) found out also.
Felicity Smoak: After Laurel told Oliver of Sebastian's identity, Felicity (presumably) found out also.
Clinton Hogue: As Sebastian's former bodyguard, Clinton was aware of Sebastian's identity as Brother Blood, even later taking up the title himself ^[53].

Isabel Rochev/Ravager

After becoming a member of Slade Wilson's army, Isabel became known as Ravager; as only a few known individuals are aware of her civilian identity.

Slade Wilson: Slade saw Isabel unmasked in her Ravager suit; while unconfirmed it's possible that Slade gave Isabel her Ravager suit.
John Diggle: John saw Isabel in her Ravager suit.
Felicity Smoak: Felicity saw Isabel in her Ravager suit.
Sebastian Blood: Sebastian saw Isabel in her Ravager suit.
League of Assassins: Most members of the League of Assassins that were present at Queen Consolidated; as they saw Isabel unmasked in her Ravager suit.
Nyssa al Ghul: Nyssa saw Isabel unmasked in her Ravager suit.
Sara Lance: Sara saw Isabel unmasked in her Ravager suit.
Oliver Queen: Oliver saw Isabel unmasked in her Ravager suit.
Roy Harper: Roy was informed of Isabel's identity as Ravager (off-screen).

Thea Queen/Speedy

Roy Harper: It was Roy that indirectly suggested to Thea that she take on his mantle as Speedy by leaving her his suit.
John Diggle: Thea saved John from being killed by a thug of Ra's al Ghul's, in full Speedy get-up.
Oliver Queen: After defeating Ra's al Ghul, Thea stood with the others, unmasked. Oliver also suggested her to take up the name "Speedy" and asked the rest of Team Arrow to call her that.
Laurel Lance: After defeating Ra's al Ghul, Thea stood with the others, unmasked. Oliver also suggested her to take up the name "Speedy" and asked the rest of Team Arrow to call her that.
Felicity Smoak: After defeating Ra's al Ghul, Thea stood with the others, unmasked. Oliver also suggested her to take up the name "Speedy" and asked the rest of Team Arrow to call her that.
Ray Palmer: After defeating Ra's al Ghul, Thea stood with the others, unmasked. Oliver also suggested her to take up the name "Speedy" and asked the rest of Team Arrow to call her that.
Malcolm Merlyn: After defeating Ra's al Ghul, Thea stood with the others, unmasked. Oliver also suggested her to take up the name "Speedy" and asked the rest of Team Arrow to call her that.
Nyssa al Ghul: After defeating Ra's al Ghul, Thea stood with the others, unmasked. Oliver also suggested her to take up the name "Speedy" and asked the rest of Team Arrow to call her that.
Sara Lance: After being resurrected Sara sees Thea in full Speedy get-up.
Barry Allen: After rescuing Oliver, Barry and Team Arrow returned to the Arrowcave with Thea unmasked in her Speedy suit.
Cisco Ramon: After entering the Arrowcave, Cisco saw Thea unmasked in her Speedy suit.
Kendra Saunders: After entering the Arrowcave, Kendra saw Thea unmasked in her Speedy suit.
Carter Hall: Carter saw Thea unmasked in her Speedy suit while chained up in the Arrowcave.
Caitlin Snow: When working with Team Arrow to protect Kendra and Carter from Vandal Savage she found out that Thea is Speedy.
Mari: Mari is aware of Thea's identity as Speedy, after Oliver took her down to the bunker.
Samantha Clayton: Samantha is also aware of Thea's identity as Speedy, after Oliver took her down to the bunker.
Curtis Holt: After wishing to help Felicity during Brie Larvan's attack on Palmer Technologies, Curtis accidentally stumbled upon Team Arrow in their outfits.
Damien Darhk: Having deduced that Oliver is Green Arrow, Damien was able to figure out that Oliver's half-sister, Thea is Speedy.
Andy Diggle: Andy learned of all the alter-egos of Team Arrow after he was reunited with John.
Kara Danvers: After traveling to Earth-1 to help with the Dominators, Thea confirmed her identity as Speedy to Kara.
H.R. Wells: After everyone gathered to help with the Dominators, H.R. overheard Thea confirming her identity as Speedy.
Iris West-Allen: After everyone gathered to help with the Dominators, Iris overheard Thea confirming her identity as Speedy.
Nate Heywood: After the Legends rescued Oliver, John, Thea, Ray, and Sara Nate greeted them upon arriving on the Waverider. It's possible that he was told that Thea is Speedy.
Rene Ramirez: It's possible that Rene knows that Thea is Speedy.
Rory Regan: It's possible that Rory knows that Thea is Speedy.
Evelyn Sharp: It's possible that Evelyn knows that Thea is Speedy.
Quentin Lance: Quentin discovered Thea's identity as Speedy at some point, as it is Quentin that tells Thea she should suit up to rescue her brother.
Lyla Michaels: It's possible that Lyla knows that Thea is Speedy.
Ricardo Diaz: Ricardo is aware of Thea's identity as Speedy.
Athena: Athena is aware of Thea's identity as Speedy.
Thanatos Guild: All members of the Thanatos Guild are aware of Thea's identity as Speedy.

Vincent Sobel/Vigilante

Dinah Drake: After Dinah damaged his visor with her sonic scream, Vincent was forced to remove his mask; revealing his identity to his ex-girlfriend.
John Diggle: In the Arrowcave, Dinah informed John of Vincent's identity as Vigilante.
Curtis Holt: In the Arrowcave, Dinah informed Curtis of Vincent's identity as Vigilante.
Felicity Smoak: In the Arrowcave, Dinah informed Felicity of Vincent's identity as Vigilante.
Rene Ramirez: In the Arrowcave, Dinah informed Rene of Vincent's identity as Vigilante.
Quentin Lance: Dinah informed Quentin of Vincent's identity as Vigilante.
Oliver Queen: Oliver eventually found out Vincent's identity as Vigilante; after being absent for the initial reveal to the rest of the team.
Cayden James: Cayden became aware of Vincent's identity as Vigilante; after the latter joined the criminal cabal.

Wally West/Kid Flash

Barry Allen: Sometime after Wally's powers were restored via the Philosopher's stone in the new timeline, Barry (presumably) had Cisco make Wally a new suit; signifying him officially joining Team Flash; however, Barry was already aware of Wally's identity as Kid Flash, due to the events from the Flashpoint timeline.
Joe West: Barry informed Joe of Wally being Kid Flash from the Flashpoint timeline, sometime after Wally's powers were restored via the Philosopher's stone in the new timeline, Barry (presumably) had Cisco make Wally a new suit; signifying him officially joining Team Flash as Kid Flash.
Iris West-Allen: Barry informed Iris of Wally being Kid Flash from the Flashpoint timeline, sometime after Wally's powers were restored via the Philosopher's stone in the new timeline,
Cisco Ramon: Barry informed Cisco of Wally being Kid Flash from the Flashpoint timeline, sometime after Wally's powers were restored via the Philosopher's stone in the new timeline, Barry presumably had Cisco make Wally a new suit; signifying him officially joining Team Flash as Kid Flash.
Caitlin Snow: Barry informed Caitlin of Wally being Kid Flash from the Flashpoint timeline, sometime after Wally's powers were restored via the Philosopher's stone in the new timeline, Barry presumably had Cisco make Wally a new suit; signifying him officially joining Team Flash as Kid Flash.
H.R. Wells: Sometime after Wally's powers were restored via the Philosopher's stone in the new timeline, H.R. reluctantly help trained Wally to reach his potential (as he was being very persistent) until Barry presumably had Cisco make Wally a new suit; signifying him officially joining Team Flash as Kid Flash.
Oliver Queen: Oliver saw Wally using his super speed, outside of S.T.A.R. Labs; during his and Barry's confrontation against Kara, the members of Team Arrow and the Legends respectively (when they were under the control of the Dominators at the time).
Julian Albert: Julian became aware of Wally's identity as Kid Flash; after he joined Team Flash.
Jesse Wells: Wally informed Jesse of his identity as Kid Flash; after she returned to Earth-1.
Harry Wells: Harry was informed of Wally's identity as Kid Flash (off-screen); after he returned to Earth-1.
J'onn J'onzz: J'onn saw Wally unmasked in his Kid Flash suit.
Mon-El: Mon-El saw Wally unmasked in his Kid Flash suit.
Music Meister: Music Meister is already aware of Wally's identity as Kid Flash.
Kara Danvers: Kara was informed of Wally's identity as Kid Flash (off-screen); after she returned to Earth-1.
Cecile Horton: Joe informed Cecile of Wally's identity as Kid Flash (off-screen).
Nate Heywood: Nate is aware of Wally's identity as Kid Flash, as he helped Team Flash out as a vigilante during his temporary retirement from time travel.
Rip Hunter: Due to Rip being a time master, he knows Wally is Kid Flash.
Sara Lance: Sara was informed about Wally's identity as Kid Flash.
Ray Palmer: Ray saw Wally using his powers when he came to save him.
Zari Tarazi: Zari was informed about Wally's identity as Kid Flash.
Amaya Jiwe: Amaya was informed about Wally's identity as Kid Flash.
Mick Rory: Mick was informed about Wally's identity as Kid Flash.
Ava Sharpe: Ava is aware of Wally's identity as Kid Flash.
John Constantine: John was informed about Wally's identity as Kid Flash.
Nora West-Allen: Nora is aware of Wally's identity as Kid Flash; due to the fact that she is from the future.

Former secret identities

The following are individuals who once had secret identities; but later their identities became known to the public.

Malcolm Merlyn/Dark Archer/Ra's al Ghul

Ra's al Ghul Ra's was aware of Malcolm's identity as the Dark Archer.
Nyssa al Ghul Nyssa is aware of Malcolm's identity as the Dark Archer.
Al-Owal Al-Owal was aware of Malcolm's identity as the Dark Archer.
League of Assassins: All members of the League of Assassins are aware of Malcolm's identity as the Dark Archer.
Oliver Queen: Malcolm revealed his identity as the Dark Archer to Oliver; after Oliver tried to kill him with an arrow.
John Diggle: Oliver informed John of Malcolm's identity as the Dark Archer.
Felicity Smoak: Oliver informed Felicity of Malcolm's identity as the Dark Archer.
Tommy Merlyn: After Moira Queen revealed Malcolm's plan to destroy the Glades and everyone in it, as well as how many individuals he has killed in pursuit of this insane goal of his in a press conference, also revealing herself as the latter's unwilling accomplice, Malcolm revealed his panic room to Tommy, fully equipped with his Dark Archer suit and equipment.
Laurel Lance Laurel was informed of Malcolm's identity as the Dark Archer (off-screen).
Moira Queen: Dark Archer vanished when Malcolm "apparently died" in the undertaking. He revealed himself to Moira, wielding his bow; Moira was able to figure out that Malcolm was the Dark Archer.
Sara Lance: Sara is aware of Malcolm's identity as the Dark Archer.
Roy Harper: Roy was informed of Malcolm's identity as the Dark Archer (off-screen).
Thea Queen: As Thea was about to be killed by one of Slade Wilson's soldiers, Malcolm intervened and pulled off his mask to reveal his identity as the Dark Archer to her.
Danny Brickwell: After Malcolm tracked down Danny and prepared to avenge his wife, he revealed his identity as the Dark Archer during the confrontation.
Ray Palmer: While trapped in Nanda Parbat; Ray saw Malcolm unmasked in his Dark Archer suit.
Barry Allen: Barry was informed of Malcolm's identity as the Dark Archer (off-screen).
Tatsu Yamashiro: Tatsu saw Malcolm unmasked in his Dark Archer suit.
Damien Darhk: Damien was aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively.
Kendra Saunders: When facing Vandal Savage Malcolm appears in the Arrowcave in full League get-up.
Cisco Ramon: While in the Arrowcave protecting Kendra Saunders he saw Malcolm appear in full League attire
Quentin Lance: While in the Arrowcave Malcolm tells Quentin straight up "i am Ra's al Ghul".
Eobard Thawne: Eobard is aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively; due to him being from the future, the 22nd century.
Rip Hunter: Rip was aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively; due to him being from the future, the 22nd century.
Jefferson Jackson: Jax is aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively.
Martin Stein: Martin was aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively.
Nate Heywood: Nate is aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively.
Mick Rory: Mick is aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively.
Amaya Jiwe: Amaya is aware of Malcolm's identities as the Dark Archer and Ra's al Ghul respectively.
Kara Danvers: Barry told Kara about Malcolm while they were in a musical dream world.

Laurel Lance/Black Canary (Earth-1)

At Laurel's funeral, Oliver publicly revealed that Laurel was, in fact, Black Canary and died a hero instead of a criminal that citizens of Star City thought she was; due to someone masquerading her and killing individuals after she died in the hospital.

Roy Harper: Roy learned of Laurel's identity while stopping a mugger.
John Diggle: John learned of Laurel's identity after Roy helped her, which led to him finding out quickly.
Felicity Smoak: Believing that the Canary was back, but it wasn't Sara, Felicity discovered that it was, in fact, Laurel.
Ted Grant: Ted inferred that Laurel was the Black Canary after watching the news.
Oliver Queen: Oliver learned about Laurel's alter-ego through his team.
Quentin Lance: Quentin was able to assume that Laurel was taking her sister's place as a vigilante while she way away, but later found out that Sara was in fact dead.
Thea Queen: Thea found out after walking into the foundry and seeing Laurel in her suit after the latter was injected with Vertigo.
Ray Palmer: Ray was able to infer that due to Laurel attempts to keep the Arrow safe at all costs, she was Black Canary.
Barry Allen: Felicity explained that she had a complicated life, among that knowing that Laurel is Black Canary.
Cisco Ramon: Laurel told Cisco that she is Black Canary when asking for his help with the Canary Cry.
Tatsu Yamashiro: In Nanda Parbat, Laurel stood unmasked in front of Tatsu.
John Constantine: When attempting to recover Sara Lance's soul, Laurel was dressed in her Black Canary outfit. It can be presumed that John can figure out her identity.
Sara Lance: After she was resurrected Sara saw Laurel in full Black Canary get-up.
Caitlin Snow: While working with Team Arrow to protect Kendra and Carter from Vandal Savage, Caitlin found out that Laurel was Black Canary.
Carter Hall: Carter was informed of Laurel's identity as Black Canary (off-screen).
Kendra Saunders: Kendra was informed of Laurel's identity as Black Canary (off-screen).
Mari: Mari was aware of Laurel's alter-ego after Oliver took her down to the bunker.
Samantha Clayton: Much like Mari, Samantha was also aware of Laurel's alter-ego after Oliver took her down to the bunker.
Curtis Holt: After wishing to help Felicity during Brie Larvan's attack on Palmer Technologies, Curtis accidentally stumbled upon Team Arrow in their outfits.
Damien Darhk: Having deduced that Oliver Queen is Green Arrow, Damien was able to figure out that Oliver's ex-girlfriend, Laurel, was Black Canary.
Elisa Schwartz: After Laurel was stabbed by Damien Darhk, Oliver was forced to take her to Starling General Hospital while still suited up. While other employees saw them, Schwartz worked on her alone and removed her mask and gear before taking her to surgery, and so the other doctors did not see Laurel in her Black Canary suit; unmasked.
Andy Diggle: Andy learned of all the alter-egos of Team Arrow after he was reunited with John.
Dinah Lance: Laurel's identity was revealed to Dinah by Oliver at her daughter's funeral.
Evelyn Sharp: Evelyn is aware of Laurel's identity as Black Canary; due to the fact that Oliver (publicly) revealed Laurel's vigilante identity at her funeral, but it's speculated she became aware earlier at the hospital due to snooping around.
Adrian Chase: Adrian is aware of Laurel's identity as Black Canary; due to the fact that Oliver publicly revealed Laurel's vigilante identity at her funeral.
Laurel Lance (Earth-2): Adrian informed Earth-2 Laurel of Earth-1 Laurel's identity as Black Canary.

Slade Wilson/Deathstroke

Slade's identity was confirmed to the public by Thea; after he released her from his capture.

Isabel Rochev: Isabel was aware of Slade's identity as Deathstroke.
Sebastian Blood: Sebastian saw Slade unmasked in his Deathstroke suit.
Amanda Waller: After Oliver informed Amanda that Slade is still alive; she quickly figured out that he is the mercenary known as Deathstroke.
Lyla Michaels: Lyla was informed of Slade's identity as Deathstroke (off-screen).
A.R.G.U.S.: While unconfirmed it's possible that most members of A.R.G.U.S. are aware of Slade's identity as Deathstroke; after Oliver informed Amanda that Slade is still alive.
Oliver Queen: After Amanda informed Oliver of the mercenary known as Deathstroke; he quickly figured out that Slade is Deathstroke.
John Diggle: After Oliver found out, he informed John of Slade's identity as Deathstroke (off-screen).
Felicity Smoak: After Oliver found out, he informed Felicity of Slade's identity as Deathstroke (off-screen).
Sara Lance: After Oliver found out, he informed Sara of Slade's identity as Deathstroke (off-screen).
Roy Harper: After Oliver found out, he informed Roy of Slade's identity as Deathstroke (off-screen).
Thea Queen: Thea was kidnapped by Brother Blood, where Slade revealed his identity to her.
Quentin Lance: Quentin was informed of Slade's identity as Deathstroke (off-screen).
"Ripped": "Ripped" became aware of Slade's identity as Deathstroke; after he joined his army.
Laurel Lance: Laurel saw Slade unmasked in his Deathstroke suit.

Adrian Chase/Prometheus

It was revealed to the public that Adrian was, in fact, the "Throwing Star Killer" after Felicity received the coding created by Cayden James from Alena Whitlock that showed Adrian unmasked.

Talia al Ghul: Talia is aware of Adrian's identity as Prometheus; as she is the one who trained him for it.
Evelyn Sharp: Adrian revealed his identity as Prometheus to Evelyn; sometime after she joined him.
Susan Williams: Adrian revealed his identity as Prometheus to Susan; after kidnapping her.
Oliver Queen: Talia informed Oliver that Prometheus is Adrian Chase in order to cause him pain.
Quentin Lance: Upon discovering Adrian's identity as Prometheus, Oliver went on to inform Quentin.
Rene Ramirez: Upon discovering Adrian's identity as Prometheus, Oliver went on to inform Rene.
John Diggle: Upon discovering Adrian's identity as Prometheus, Oliver went on to inform John.
Dinah Drake: Upon discovering Adrian's identity as Prometheus, Oliver went on to inform Dinah.
Curtis Holt: Upon discovering Adrian's identity as Prometheus, Oliver went on to inform Curtis.
Felicity Smoak: Upon discovering Prometheus' identity, Oliver went on to inform Felicity.
Laurel Lance (Earth-2): After Adrian freed Laurel from the S.T.A.R. Labs pipeline, Adrian informed Laurel of his identity as Prometheu.
Doris Chase: Oliver (under the guise of Green Arrow) informed Doris about her husband's double life in hopes that she could convince him to stop his quest for vengeance; however, she did not believe the latter; until she saw Adrian unmasked in his Prometheus suit.

Evelyn Sharp/Artemis

Team Arrow: Evelyn was already a member of Team Arrow before she became Artemis.
Thea Queen: Thea encountered Evelyn unmasked in her, well in the Arrowcave.
Quentin Lance: Quentin encountered Evelyn unmasked in her Artemis suit, well in the Arrowcave.
Lyla Michaels: It's possible that Lyla is aware of Evelyn's identity as Artemis.
Adrian Chase: Evelyn revealed her identity as Artemis to Adrian; when she joined him.

Rene Ramirez/Wild Dog

After the trial of Oliver Queen, the secret identity of Rene Ramirez as Wild Dog was revealed to the public.

Oliver Queen: When Oliver started recruiting a new team of vigilantes, he ask Felicity to find out Wild Dog's identity.
Felicity Smoak: After Oliver encountered Rene as Wild Dog, Felicity was able to identify him.
Curtis Holt: Curtis became aware of Rene's identity as Wild Dog; after he joined Team Arrow.
Evelyn Sharp: Evelyn became aware of Rene's identity as Wild Dog; after she joined Team Arrow.
Rory Regan: Rory became aware of Rene's identity as Wild Dog; soon after he joined Team Arrow.
Thea Queen: Thea encountered Rene unmasked in his Wild Dog suit, well he was in the Arrowcave.
Quentin Lance: Quentin encountered Rene unmasked in his Wild Dog suit, well he was in the Arrowcave.
Tobias Church: Tobias was able to capture and unmask Rene, Rene likely also revealed his name while being tortured.
Lyla Michaels: Due to being affiliated with Team Arrow, Lyla appears to be aware of Rene's identity as Wild Dog.
Cisco Ramon: When arriving to the Arrowcave to help find Oliver, Thea, John, Ray, and Sara he was introduced to Rene.
Barry Allen: Barry was present when Rene unmasked himself in his Wild Dog suit, at the S.T.A.R. Labs hall.
Kara Danvers: Kara was present when Rene unmasked himself in his Wild Dog suit, at the S.T.A.R. Labs hall.
Adrian Chase: Evelyn told Adrian the identities of all the members of Team Arrow.
Laurel Lance (Earth-2): After Adrian as Prometheus freed her from the Pipeline at S.T.A.R. Labs, he told Laurel the identities of all the members of Team Arrow.
Dinah Drake: Oliver revealed Rene's identity as Wild Dog to Dinah.
Samanda Watson: Samanda is aware of Rene's identity as Wild Dog.
Cayden James: Cayden is aware of Rene's identity as Wild Dog.
Sheck: Sheck is aware of Rene's identity as Wild Dog.
Anatoly Knyazev: Anatoly is aware of Rene's identity as Wild Dog.
Vincent Sobel: Vincent is aware of Rene's identity as Wild Dog.
Ricardo Diaz: Ricardo is aware of Rene's identity as Wild Dog.
Zoe Ramirez: Zoe admitted to having overheard Curtis and Dinah talk about their vigilante activities, giving her father her blessing.^[54]

Oliver Queen/The Hood/The Arrow/Green Arrow/Spectre

Oliver initially acted as a vigilante known as the Hood. A year later he began to be known as a hero, the Arrow. 6 months after coming out of retirement, Oliver now goes under the codename Green Arrow. He revealed his identity to the public as part of the deal he made with the FBI to gain their aid against Ricardo Diaz.

Talia al Ghul: After Talia rescued Oliver from Ishmael Gregor in Russia. She gave Oliver the hood, suit, and bow and trained him to become a vigilante.
Lodai: Since Lodai is Oliver's supplier for all of his vigilante equipment and activities, it is very likely that he is aware of Oliver's secret identity.
John Diggle: Oliver was forced to reveal his identity as the Hood when John was shot by Deadshot, and had to recuperate in Oliver's base after being given medicine. John initially did not accept Oliver's vigilantism, but later was accepting and joined Oliver's vigilante team.
Quentin Lance: Quentin had originally discovered Oliver's secret through a security camera from the Exchange Building, unknown to Quentin, Oliver set the whole thing up, to exonerate himself, his belief that Oliver is the Hood, was proven to be (seemingly) untrue when the vigilante, appeared on the other side of town, well the former was under house arrest at the time, however, it was actually Oliver's bodyguard John Diggle. 2 years later when Quentin ordered a manhunt on the Arrow (who was being framed by the League of Assassins for murder) Ra's al Ghul had him kidnapped and told him Oliver's secret, hoping to further turn the city against Oliver. They got partway to taking him to prison, but Roy Harper intervened wearing the suit (despite Quentin's having seen him in his own suit).
Derek Reston: After saving his son, Kyle, Derek was shot and in his dying moments Oliver decided to reveal his identity to him.
Helena Bertinelli: After Oliver realized that Helena was the Huntress, he helped save her and she, in turn, discovered the Hood's identity. Helena joined Oliver's team, helping to fight crime, however, she was too blinded by her hatred for her father and left.
Felicity Smoak: Following Oliver being shot by his mother, Moira Queen, when he tried interrogating her, he lay in the back of Felicity's car with a wound. He revealed his identity to her, and the two of them drove to Robert Queen's warehouse, where Oliver's base lay beneath. Once there, Felicity and John operated on him.
Tommy Merlyn: When his father, Malcolm Merlyn, was shot by Deadshot, Oliver revealed his identity to Tommy in order to trust him to save his father's life. Tommy was conflicted over Oliver's revelation and often argued with him over his actions, although Tommy ultimately kept the secret.
Webb: After trying to stop the production of Vertigo, Oliver was drugged with it and knocked out. He was strapped down, only to escape and kill Dr. Webb.
Webb's accomplice: When Dr. Webb trapped Oliver, the two of them learned his true identity. He was ultimately killed by John Diggle when he escaped.
Malcolm Merlyn: Oliver went after Malcolm, who revealed his identity as the Dark Archer. Malcolm ultimately won the fight, pulling off Oliver's hood in shock.
Sara Lance: For over a year Sara suspected Oliver to be the Hood, later the Arrow, and she finally discovered that her suspicions were true when her identity was revealed to Oliver. She joined Oliver's team not long after that.
Al-Owal: Al-Owal broke into the Queen Mansion while Sara was staying there. Not only did he know of her whereabouts, but he also knew of Oliver's alter-ego, the Arrow. It's possible he knew it due to Malcolm, his former protégé, knowing it.
Amanda Waller Amanda is aware of Oliver's identity as the Arrow.
Lyla Michaels Lyla is aware of Oliver's identity as the Arrow.
A.R.G.U.S.: Some members of A.R.G.U.S. are aware of Oliver's identity as the Arrow.
Cecil Adams: Cecil was able to deduce Oliver's identity as the Arrow; solely due to his large connection to Felicity Smoak, who also had a large connection to the Arrow. He used his knowledge of this connection to lure Oliver to Queen Consolidated, where Oliver confirmed his ideas of Oliver's identity, only to be killed when the Count almost killed Felicity.
Barry Allen: Felicity and John made the call to reveal Oliver's secret identity to Barry when Oliver was poisoned by unknown chemicals from an A.R.G.U.S. disaster bunker, following his fight with a Mirakuru-enhanced Cyrus Gold. Oliver was annoyed at this, although soon came to terms with it and accepted Barry.
Slade Wilson: For the entire time that Oliver acted as the Hood, then the Arrow, Slade had figured that he was indeed Oliver, due to the green hood's significance - a reference to that of Yao Fei and Shado's hood. He made it his sole purpose to destroy Oliver's life and reverse his heroic deeds.
Ra's al Ghul: Ra's is aware of Oliver's identity as the Arrow.
Nyssa al Ghul: Nyssa is aware of Oliver's identity as the Arrow.
Maseo Yamashiro: Maseo is aware of Oliver's identity as the Arrow.
League of Assassins: All members of the League of Assassins are aware of Oliver's identity as the Arrow.
Roy Harper: Oliver was forced to reveal his secret identity to a Mirakuru-enhanced Roy in order to calm him down, to stop him from beating Ben Turner to death. Roy later joined Oliver's team, but left the team, because he (correctly) blamed Oliver for Thea getting kidnapped by Slade Wilson. He later rejoined the team after they get the Mirakuru out of him and becomes Oliver's partner.
Isabel Rochev: Due to being in league with Slade Wilson, a fact which she eventually revealed to Oliver; Isabel was aware of Oliver's identity as the Arrow.
Laurel Lance: When Slade Wilson began publicly ruining Oliver's life, he turned up at Laurel's door to tell her of Oliver's identity as the Arrow. Laurel was initially shocked and began to add up the clues, but after advice from her father, decided that it was best to not approach Oliver about it and allow him to do his job.
Moira Queen: While having a conversation about Thea, Moira also revealed to Oliver that she had figured that Oliver is the Arrow since around the events of the Undertaking, and before Oliver could say a thing, Moira expressed that she couldn't be prouder.^[51]
Sebastian Blood: When having dinner, Sebastian was joined by Oliver who started a conversation about Slade Wilson before saying "I'm the Arrow". Sebastian didn't seem overly surprised at the discovery, even stating that it explained a lot.
Eobard Thawne: After the Arrow and his team came to Central City to help the Flash and his team, Eobard wished to learn the Arrow's identity in order to put his faith in him, though Felicity reasoned that it wasn't her secret to tell. However, he was later able to simply guess who he was to Felicity (possibly using his knowledge of the future).
Joe West: Eobard was able to simply guess the Arrow's identity in front of everyone members and associates of Team Flash, Felicity confirms it.
Caitlin Snow: Eobard was able to simply guess the Arrow's identity in front of everyone members and associates of Team Flash, Felicity confirms it.
Cisco Ramon: Eobard was able to simply guess the Arrow's identity in front of everyone members and associates of Team Flash, Felicity confirms it.
Thea Queen: Oliver revealed his identity after he decided that it was safer if she knew, what with the threat of Ra's al Ghul.
Ray Palmer: Ray tracked down the Arrow and used his helmet's x-ray vision to see Oliver's face.
Ronnie Raymond: Ronnie in his Firestorm form, saw Oliver unmasked during the battle with the Reverse-Flash.
Martin Stein: Martin in his Firestorm form, saw Oliver unmasked during the battle with the Reverse-Flash.
John Constantine: When attempting to recover Sara Lance's soul, Oliver was dressed in his Green Arrow suit. Assuming he wasn't already aware, it can be presumed that John can figure out his identity.
Kendra Saunders: Kendra saw Oliver unmasked when Thea introduced him to her.
Carter Hall: Carter saw Oliver unmasked while being chained in Arrowcave.
Vandal Savage: Vandal came in Oliver's apartment and attacked Team Arrow and Team Flash for Kendra Saunders.
Mari: After meeting Vixen, Green Arrow and the Flash maintained a friendship with her and revealed their identities. While visiting Star City she confirmed that she knew Oliver's identity.
Samantha Clayton: When asking what Oliver was going to do to get William back after his kidnapping, Oliver revealed his identity as Green Arrow to her.
Jefferson Jackson: When being attacked by Conner Hawke, Sara mentioned that Green Arrow is not Oliver, giving away his identity.
Leonard Snart: When being attacked by Conner Hawke, Sara mentioned that Green Arrow is not Oliver, giving away his identity.
Mick Rory: When being attacked by Conner Hawke, Sara mentioned that Green Arrow is not Oliver, giving away his identity.
Rip Hunter: Coming from the year 2166, it is highly likely that Rip has knowledge on who heroes identities are, including that Oliver is Green Arrow.
Curtis Holt: After wishing to help Felicity during Brie Larvan's attack on Palmer Technologies, he accidentally stumbled upon Team Arrow in their outfits.
Damien Darhk: After Team Arrow came after William Clayton, Oliver's son, Damien deduced that this was the case, believing the look in Green Arrow's eyes to be that of a father's. It was only later during his incarceration that he revealed his discovery to Oliver.
Andy Diggle: Andy learned of all the alter-egos of Team Arrow after he was reunited with John.
Elisa Schwartz: When Oliver brought Laurel, who was still suited up as Black Canary, to the hospital as Green Arrow, he presumably returned to wait outside her operating room as Oliver, which both later readdressed.
Evelyn Sharp: Oliver revealed his identity to Evelyn in order to build trust that he was risking losing due to his brutal training methods.
Rene Ramirez: Oliver revealed his identity to Rene in order to build trust that he was risking losing due to his brutal training methods.
Nate Heywood: When seeking help to recover the missing Legends, Nate revealed that he had figured out that Oliver is Green Arrow, piecing together when the archer returned to the city and when Oliver did.
Rory Regan: After joining Team Arrow Oliver revealed his identity to Rory.
Christopher Chance: After faking Oliver's death, Christopher was taken down to the Arrowcave, where he found out that Oliver was Green Arrow, although it is presumed he already knew.
Tobias Church: After kidnapping Rene Ramirez Church tortured Rene to get the identity of Green Arrow.
Adrian Chase: Before killing Tobias Church, he revealed to Adrian (under the guise of Prometheus) the identity of Green Arrow. However, it is later revealed that Adrian was already aware of Oliver being a vigilante; as he somehow knows of his secret previous identities; as the Hood and the Arrow respectively.
Kara Danvers: After traveling to Earth-1 to help with the Dominators, Oliver confirmed his identity as Green Arrow to Kara.
Iris West-Allen: After coming together to fight the Dominators, Barry confirmed Oliver's identity as Green Arrow to Iris.
H.R. Wells: After everyone gathered to help with the Dominators, H.R. overheard Oliver confirming his identity as Green Arrow.
Amaya Jiwe: Amaya was present when Oliver revealed his identity to everyone at the S.T.A.R. Labs hall.
Billy Malone: When Adrian as Prometheus dressed up Malone as his decoy, Adrian attached a speaker to his chest with a recording mentioning Oliver's name, before being accidentally killed by Oliver himself.
Laurel Lance (Earth-2): After Adrian as Prometheus freed her from the Pipeline at S.T.A.R. Labs, he had her pretend to be the Laurel from Earth-1.
Dinah Drake: Oliver revealed who he was to Dinah in order to gain her trust.
Susan Williams: Susan was able to deduce that Oliver is Green Arrow by piecing together photos of him in Russia at the same time that a hooded archer was there. She later asked Oliver, and although he denied it, she was publicly outed as a supposed fraud, leading her to believe that it was poor timing on Oliver's part, thus confirming the truth.
Anatoly Knyazev: Oliver informed Anatoly of his identity as Green Arrow (off-screen).
William Clayton: William saw Oliver unmasked in his Green Arrow suit.
Cayden James: Cayden is aware of Oliver's identity as Green Arrow.
Sheck: Sheck is aware of Oliver's identity as Green Arrow.
Vincent Sobel: Vincent is aware of Oliver's identity as Green Arrow.
Ricardo Diaz: Ricardo is aware of Oliver's identity as Green Arrow.
Oliver (Earth-X): Dark Arrow was aware of Oliver's identity as Green Arrow; due to the fact he is his doppelganger.
Kara (Earth-X): Overgirl was aware of Oliver's identity as Green Arrow.
Ray Terrill: Ray saw Oliver unmasked in his Green Arrow suit, in a Nazi concentration camp on Earth-X.
Sturmbannführer: The Sturmbannführer saw Oliver unmasked in his Green Arrow suit, in a Nazi concentration camp on Earth-X.
Leo Snart: Leo saw Oliver unmasked in his Green Arrow suit, when he came to save Ray and Earth-1 heroes.
Winn Schott (Earth-X): Winn saw Oliver unmasked in his Green Arrow suit, in headquarters of the Freedom Fighters.
Zari Tarazi: Zari is possibly aware of Oliver's identity as Green Arrow.
Kimberly Hill: Kimberly is possibly aware of Oliver's identity as Green Arrow; due to her being under Ricardo Diaz's payroll.
P. Parks: Parks is possibly aware of Oliver's identity as Green Arrow; due to him being under Ricardo Diaz's payroll.
Sam Armand: Sam is possibly aware of Oliver's identity as Green Arrow; due to him being under Ricardo Diaz's payroll.
Kullens: Kullens is possibly aware of Oliver's identity as Green Arrow; due to him being under Ricardo Diaz's payroll.
Raisa: Raisa indicated to Felicity that she was well aware of Oliver's status as a vigilante.^[55]
Jean Loring: Defending him on trial, Oliver admitted to Jean that he is Green Arrow; after she asked.^[55]
Samanda Watson: After he came to her asking she would help him and his team in stopping Ricardo Diaz, Oliver confessed to Samanda that he is Green Arrow.^[56]
FBI: While unconfirmed it's possible that most members of the FBI are aware of Oliver's identity as Green Arrow.

Rory Regan/Ragman

After doing an interview for a documentary on vigilantism, the public is aware of Rory's identity as Ragman.

Oliver Queen: Rory revealed his identity as Ragman to Oliver; after saving him from Tobias Church.
Rene Ramirez: Rory revealed his identity as Ragman to Rene; soon after he joined Team Arrow.
Curtis Holt: Rory revealed his identity as Ragman to Curtis; soon after he joined Team Arrow.
Felicity Smoak: Rory revealed his identity as Ragman to Felicity; soon after he joined Team Arrow.
Evelyn Sharp: Rory revealed his identity as Ragman to Evelyn; soon after he joined Team Arrow.
Thea Queen: Thea is acquainted with Rory and the other recruits and appears to be aware of his identity as Ragman.
John Diggle: John was acquainted with Rory after his return to Team Arrow and is aware of his identity as Ragman.
Cisco Ramon: When arriving to the Arrowcave to help find Oliver, Thea, John, Ray, and Sara, Cisco was introduced to Rory.
Adrian Chase: Evelyn told Adrian the identities of all the members of Team Arrow.
Laurel Lance (Earth-2): After Adrian as Prometheus freed her from the pipeline at S.T.A.R. Labs, he told Laurel of Earth-2 the identities of all the members of Team Arrow.
Dinah Drake: Dinah learned of Rory's identity as Ragman; after she joined Team Arrow.
Lyla Michaels: It's possible that Lyla is aware of Rory's identity as Ragman.
Quentin Lance: It's possible that Quentin is aware of Rory's identity as Ragman.

Dinah Drake/Black Canary

After the Chimera Incident, the secret identity of Dinah Drake as Black Canary was revealed to the public.

Oliver Queen: Oliver recruited Dinah to join Team Arrow, he also chose her as the new Black Canary.
Curtis Holt: Curtis was present when Oliver recruited Dinah to join Team Arrow.
Rene Ramirez: Rene was present when Oliver recruited Dinah to join Team Arrow.
Felicity Smoak: Felicity became aware of Dinah's identity as Black Canary; after she joined Team Arrow.
John Diggle: John became aware of Dinah's identity as Black Canary; after she joined Team Arrow.
Rory Regan: Rory became aware of Dinah's identity as Black Canary; after she joined Team Arrow.
Quentin Lance: Quentin was informed of Dinah being Team Arrow's newest recruit (off-screen) later, Oliver asked Quentin if it was ok for him to give Dinah the codename Black Canary; which the latter agreed to.
Thea Queen: It's possible that Thea is aware of Dinah's identity as Black Canary.
Lyla Michaels: It's possible that Lyla is aware of Dinah's identity as Black Canary.
Talia al Ghul: Talia is aware of Dinah's identity as Black Canary.
Laurel Lance (Earth-2): Laurel is aware of Dinah's identity as Black Canary.
Talia al Ghul's cult: Most members of Talia's cult are aware of Dinah's identity as Black Canary.
Vincent Sobel: Dinah revealed her identity as Black Canary to Vincent.
Cisco Ramon: Cisco was kept in a cell in the pipeline alongside Dinah's cell, because of their status as meta-humans.
Caitlin Snow: Caitlin was kept in a cell in the pipeline alongside Dinah's cell, because of their status as meta-human.
Harry Wells: Harry was kept in a cell alongside Dinah's cell, even though he isn't a meta-human.
Nate Heywood: Nate saw Dinah unmasked in her Black Canary suit, when he freed everyone from the pipeline prison.
Cayden James: Cayden is aware of Dinah's identity as Black Canary.
Sheck: Sheck is aware of Dinah's identity as Black Canary.
Anatoly Knyazev: Anatoly is aware of Dinah's identity as Black Canary.
Ricardo Diaz: Ricardo is aware of Dinah's identity as Black Canary.
Zoe Ramirez: Zoe admitted to having overheard Curtis and Dinah talk about their vigilante activities.^[54]
Emily Pollard: Emily is aware of Dinah's identity as Black Canary after Dinah was forced to use her sonic scream in public in order to help the rest of Team Arrow against Chimera.

John Diggle/Spartan

In the Emerald Archer documentary, John's identity of Spartan was revealed to the public.

Laurel Lance: Five months before Oliver became Green Arrow, John became Spartan and showed his alter-ego to his partners.
Thea Queen: Five months before Oliver became Green Arrow, John became Spartan and showed his alter-ego to his partners.
Felicity Smoak: When Laurel and Thea explained to Felicity and Oliver about the Ghosts, Oliver, Felicity, Laurel, and Thea came back to Star City and Felicity saw John with his suit.
Oliver Queen: When he and Felicity returned to Star City, he saw John in his suit.
Quentin Lance: When Quentin re-joined Team Arrow, he discovered John's identity.
Sara Lance: After Sara was resurrected she saw John in full Spartan get-up.
Barry Allen: Barry saw John in full Spartan get-up after saving him.
Carter Hall: Carter saw John in full Spartan get-up.
Kendra Saunders: Kendra saw John in full Spartan get-up.
Vandal Savage: Vandal came in Oliver's apartment and attack Team Arrow and Team Flash for Kendra Saunders.
Mari: Mari met John and learned his secret identity when Oliver brought her to the Arrowcave.
Samantha Clayton: Much like Mari, Samantha is also aware of John's alter-ego after Oliver took her down to the bunker.
Andy Diggle: After John pulled off the mask of a ghost which happened to be Andy, he was brought back to the Arrowcave to be interrogated by his brother and later on found out about John's identity.
Roy Harper: Roy returned to Star City in 2016 and helped Team Arrow in the fight against the Calculator, fighting aside Spartan, though he already knew John's membership.
Damien Darhk: Due to John's brother being a ghost, Andy told Damien about Oliver and his team.
Curtis Holt: When Curtis stumbled upon the Arrowcave, he discovered many secret identities, along with John's.
Evelyn Sharp: After John escaped from prison with the help of Oliver, Evelyn became aware of John's identity.
Rory Regan: After John escaped from prison with the help of Oliver, Rory became aware of John's identity.
Rene Ramirez: After John escaped from prison with the help of Oliver, Rene became aware of John's identity.
Christopher Chance: Being a friend of Oliver's back in Russia, when Christopher arrived in Star City he became aware of John's identity as Spartan.
Kara Danvers: After traveling to Earth-1 to help with the Dominators, John confirmed his identity as Spartan to Kara.
H.R. Wells: After everyone gathered to help with the Dominators, H.R. overheard John confirming his identity as Spartan.
Ray Palmer: Ray saw John's unmasked as Spartan at the S.T.A.R. Labs hall when gathering a team to fight the Dominators.
Jefferson Jackson: Jax saw John's unmasked as Spartan at the S.T.A.R. Labs hall when gathering a team to fight the Dominators.
Martin Stein: Martin saw John's unmasked as Spartan at the S.T.A.R. Labs hall when gathering a team to fight the Dominators.
Nate Heywood: Nate saw John's unmasked as Spartan at the S.T.A.R. Labs hall when gathering a team to fight the Dominators.
Mick Rory: Mick saw John's unmasked as Spartan at the S.T.A.R. Labs hall when gathering a team to fight the Dominators.
Amaya Jiwe: Amaya saw John's unmasked as Spartan at the S.T.A.R. Labs hall when gathering a team to fight the Dominators.
Iris West-Allen: Iris was present when John was unmasked in the S.T.A.R Labs hall.
Adrian Chase: Evelyn told Adrian Chase the identities of all the members of Team Arrow.
Cisco Ramon: Cisco was present when John was unmasked in the S.T.A.R. Labs hall.
Caitlin Snow: Caitlin was present when John was unmasked in the S.T.A.R. Labs hall.
Dinah Drake: Dinah learned of John's identity as Spartan; after she joined Team Arrow.
Lyla Michaels: Lyla knows about John being Spartan.
Cayden James: Cayden is aware of John's identity as Spartan.
Sheck: Sheck is aware of John's identity as Spartan.
Anatoly Knyazev: Anatoly is aware of John's identity as Spartan.
Vincent Sobel: Vincent is aware of John's identity as Spartan.
Ricardo Diaz: Ricardo is aware of John's identity as Spartan.

Curtis Holt/Mr. Terrific

Oliver Queen: Curtis told Oliver about him wanting to become a vigilante; shortly before he joined Team Arrow.
Felicity Smoak: Felicity became aware of Curtis' identity as Mr. Terrific; after he joined Team Arrow.
Rene Ramirez: Rene became aware of Curtis' identity as Mr. Terrific; after he joined Team Arrow.
Evelyn Sharp: Evelyn became aware of Curtis' identity as Mr. Terrific; after she joined Team Arrow.
Rory Regan: Rory became aware of Curtis' identity as Mr. Terrific; after he joined Team Arrow.
John Diggle: John became aware of Curtis' identity as Mr. Terrific; after he returned to Team Arrow.
Thea Queen: Thea was present when Curtis was unmasked in his Mr. Terrific suit, well he was in the Arrowcave.
Quentin Lance: Quentin was present when Curtis was unmasked in the Arrowcave.
Cisco Ramon: When arriving at the Arrowcave to find Oliver, John, Thea, Ray, and Sara he was introduced to Curtis.
Adrian Chase: Evelyn told Adrian the identities of all the members of Team Arrow.
Paul Holt: Curtis told Paul that he is Mr. Terrific after Prometheus attacked him in front of Paul.
Billy Malone: During his investigation of Prometheus, Billy discovered that Curtis is Mr. Terrific.
Laurel Lance (Earth-2): After Adrian as Prometheus freed her from the Pipeline at S.T.A.R. Labs, he told Laurel of Earth-2 the identities of all the members of Team Arrow.
Dinah Drake: Dinah learned of Curtis' identity as Mr. Terrific; after she joined Team Arrow.
Lyla Michaels: It's possible that Lyla is aware of Curtis' identity as Mr. Terrific.
Mick Rory: Mick saw Curtis in his Mr. Terrific suit.
Caitlin Snow: Caitlin saw Curtis in his Mr. Terrific suit.
Iris West-Allen: Iris saw Curtis in his Mr. Terrific suit.
Harry Wells: Harry saw Curtis in his Mr. Terrific suit.
Barry Allen: Barry saw Curtis in his Mr. Terrific suit.
Kara Danvers: Kara saw Curtis in his Mr. Terrific suit.
Alex Danvers: Alex saw Curtis in his Mr. Terrific suit.
Martin Stein: Martin saw Curtis in his Mr. Terrific suit.
Jefferson Jackson: Jax saw Curtis in his Mr. Terrific suit.
Ray Terrill: Ray saw Curtis in his Mr. Terrific suit.
Leo Snart: Leo saw Curtis in his Mr. Terrific suit.
Nate Heywood: Nate saw Curtis in his Mr. Terrific suit.
Zari Tarazi: Zari saw Curtis in his Mr. Terrific suit.
Amaya Jiwe: Amaya saw Curtis in his Mr. Terrific suit.
Ray Palmer: Ray saw Curtis in his Mr. Terrific suit.
Sara Lance: Sara saw Curtis in his Mr. Terrific suit.
Cayden James: Cayden is aware of Curtis' identity as Mr. Terrific.
Sheck: Sheck is aware of Curtis' identity as Mr. Terrific.
Anatoly Knyazev: Anatoly is aware of Curtis' identity as Mr. Terrific.
Vincent Sobel: Vincent is aware of Curtis' identity as Mr. Terrific.
Ricardo Diaz: Ricardo is aware of Curtis' identity as Mr. Terrific.
Zoe Ramirez: Zoe admitted to having overheard Curtis and Dinah talk about their vigilante activities.^[54]
Nick Anastas: Nick saw Curtis in his Mr. Terrific suit after he was shot by Ricardo Diaz's men.

Felicity Smoak/Overwatch

Oliver Queen: Oliver invited Felicity to join Team Arrow and later on gave her the codename Overwatch.
John Diggle: John was already a member of Team Arrow when Felicity joined the team.
Laurel Lance: Laurel was informed of Felicity's identity as Overwatch; after she joined Team Arrow.
Thea Queen: Thea is aware of Felicity's identity as Overwatch.
Roy Harper: After returning to Star City; Roy was informed of Felicity's identity as Overwatch.
Noah Kuttler: Noah was able to figure out that Felicity is Overwatch; due to the fact that her intellect and computer hacker skills are almost equal to his.
Quentin Lance: Quentin is aware of Felicity's identity as Overwatch.
Curtis Holt: Curtis is aware of Felicity's identity as Overwatch.
Lyla Michaels: Lyla is aware of Felicity's identity as Overwatch.
Rene Ramirez: Rene was informed of Felicity's identity as Overwatch; after he joined Team Arrow.
Evelyn Sharp: Evelyn was informed of Felicity's identity as Overwatch; after she joined Team Arrow.
Rory Regan: Rory was informed of Felicity's identity as Overwatch; after he joined Team Arrow.
Adrian Chase: Evelyn told Adrian the identities of all the members of Team Arrow.
Laurel Lance (Earth-2): After Adrian as Prometheus freed her from the pipeline at S.T.A.R. Labs, he told Laurel of Earth-2 the identities of all the members of Team Arrow.
Dinah Drake: Dinah was informed of Felicity's identity as Overwatch; after she joined Team Arrow.
Barry Allen: Barry is aware of Felicity's identity as Overwatch.
Caitlin Snow: Caitlin is aware of Felicity's identity as Overwatch.
Cisco Ramon: Cisco is aware of Felicity's identity as Overwatch.
Joe West: Joe is aware of Felicity's identity as Overwatch.
Iris West-Allen: Iris is aware of Felicity's identity as Overwatch.
Wally West: Wally is aware of Felicity's identity as Overwatch.
H.R. Wells: H.R. was informed of Felicity's identity as Overwatch; after he joined Team Flash.
Sara Lance: Sara is aware of Felicity's identity as Overwatch.
Ray Palmer: Ray is aware of Felicity's identity as Overwatch.
Jefferson Jackson: Jax is aware of Felicity's identity as Overwatch.
Martin Stein: Martin is aware of Felicity's identity as Overwatch.
Nate Heywood: Nate is aware of Felicity's identity as Overwatch.
Mick Rory: Mick is aware of Felicity's identity as Overwatch.
Amaya Jiwe: Amaya is aware of Felicity's identity as Overwatch.
Kara Danvers: After Kara was recruited to fight against the Dominators on Earth-1, Barry informed her of Felicity's identity as Overwatch (off-screen).
Cayden James: Cayden is aware of Felicity's identity as Overwatch.
Sheck: Sheck is aware of Felicity's identity as Overwatch.
Anatoly Knyazev: Anatoly is aware of Felicity's identity as Overwatch.
Vincent Sobel: Vincent is aware of Felicity's identity as Overwatch.
Ricardo Diaz: Ricardo is aware of Felicity's identity as Overwatch.
Eobard Thawne: Eobard is aware of Felicity's identity as Overwatch; due to him being from the future, the 22nd century.
Emily Pollard: Emily is aware of Felicity's identity as Overwatch.

James Olsen/Guardian

After defeating Reign and the Daughters of Juru, James confirmed and revealed his identity to the public.

Winn Schott: James told Winn about wanting to become a vigilante and convinced him to create a suit for him.
Alex Danvers: Alex forced Winn to tell her who Guardian is.
Kara Danvers: Kara found out James' identity as Guardian when she removed his helmet; as she (initially) did not openly support James' vigilantism.
Mon-El: Mon-El found out along with Kara, who Guardian is.
J'onn J'onzz: J'onn was informed of James' identity as Guardian (off-screen).
Lyra Strayd: Lyra figured out that James is Guardian using her super smell; realizing they smelled the same.
Lillian Luthor: Lillian saw James unmasked in his Guardian suit.
Cat Grant: Cat was able to figure out that James is Guardian; due to his eyes.
Clark Kent: Cat informed Clark of James' identity as Guardian.
Tanya Spears: Tanya saw James unmasked in his Guardian suit.
Lena Luthor: James informed Lena of his identity as Guardian.

Clifford DeVoe/The Thinker

Iris West-Allen exposed DeVoe and his plan through a series of articles online so that the people could help Team Flash stop the Thinker.

Abra Kadabra: Abra Kadabra is aware of Clifford's identity as the Thinker; due to him being from the future, the 64th century.
Eobard Thawne: Eobard is aware of Clifford's identity as the Thinker; due to him being from the future, the 22nd century.
Marlize DeVoe: Marlize is aware of Clifford's identity as the Thinker; due to her being his wife, assistant and partner-in-crime.
Harry Wells: Harry, with help from the other members of the Council of Wells; was able to figure out that Clifford is the mastermind behind the bus meta-humans.
Harrison Wolfgang Wells: Harrison, with help from the other members of the Council of Wells; was able to figure that Clifford is the mastermind behind the bus meta-humans.
H. Lothario Wells: Lothario, with help from the other members of the Council of Wells; was able to figure out that Clifford is the mastermind behind the bus meta-humans.
Wells 2.0: Wells 2.0, with help from the other members of the Council of Wells; was able to figure out that Clifford is the mastermind behind the bus meta-humans.
Barry Allen: The Council of Wells informed Barry that Clifford is the mastermind behind the bus meta-humans; however, Barry was already aware that he would face Clifford in the future, as he was informed of them being enemies by Abra Kadabra and Savitar respectively.
Joe West: Barry informed Joe that Clifford is a meta-human.
Iris West-Allen: Barry informed Iris West that Clifford is a meta-human.
Caitlin Snow: Barry informed Caitlin that Clifford is a meta-human.
Cisco Ramon: Barry informed Cisco that Clifford is a meta-human; after revealing the latter has the power of superhuman intelligence, Cisco gave Clifford the nickname "The Thinker".
Wally West: Wally was informed of Clifford's identity as the Thinker; after he returned from Blue Valley.
Ralph Dibny: Ralph was informed of Clifford's identity as the Thinker (off-screen).

Olivia Marsdin

After being shot by Otis Graves, Olivia's secret as an alien was exposed to the public by Mercy Graves.

Kara Danvers: Kara saw Olivia in her true form.
Cat Grant: Cat saw Olivia in her true form.
Winn Schott: Winn saw Olivia in her true form.
Alex Danvers: Alex saw Olivia in her true form.

Ben Lockwood/Agent Liberty

When Ben was arrested, his identity as Agent Liberty was revealed to the public.

Mercy Graves: Mercy is aware of Ben's identity as Agent Liberty.
Otis Graves: Otis is aware of Ben's identity as Agent Liberty.
Raymond Jensen: Jensen saw Ben unmasked in his Agent Liberty suit.
Warren: Warren is aware of Ben's identity as Agent Liberty.
Taylor: Taylor is aware of Ben's identity as Agent Liberty.

Orlin Dwyer/Cicada

Orlin's identity as the serial killer "Cicada" eventually became known to the public.^[51]

Vanessa Ambres: Ambres is aware of Orlin's identity as the Cicada; due to her being his ally.
Grace Gibbons: Grace is aware of Orlin's identity as the Cicada; due to her meta-human powers.
Barry Allen: Barry was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Cisco Ramon: Cisco was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Caitlin Snow: Caitlin was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Joe West: Joe was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Iris West-Allen: Iris was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Ralph Dibny: Ralph was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Nora West-Allen: Nora was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Harrison Sherloque Wells: Sherloque was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.
Cecile Horton: Cecile was able to identify Orlin as Cicada; after he visited his niece in the hospital on Thanksgiving.

Emiko Adachi/Green Arrow

5 months after Oliver's incarceration, Emiko took on the mantle of Green Arrow to get justice for her mother's death. Oliver later revealed Emiko's identity as Green Arrow, as well as her being the mastermind behind the bio attack on Star City to the Star City Police Department.

Rene Ramirez: Rene saw Emiko unmasked in her Green Arrow suit.
Felicity Smoak: After she analyses her blood sample from a crime scene; Felicity discovered that Emiko is Green Arrow.
Oliver Queen: Felicity informed Oliver of Emiko's identity as Green Arrow.
Curtis Holt: Rene informed Curtis of Emiko's identity as Green Arrow.
John Diggle: Oliver informed John of Emiko's identity as Green Arrow.
Dinah Drake: Oliver informed Dinah of Emiko's identity as Green Arrow.
Kevin Meltzer: Kevin saw Emiko unmasked in her Green Arrow suit; after he took her mask from her, in their confrontation.
Dante: Dante is aware of Emiko's identity as Green Arrow.
Laurel Lance (Earth-2): Laurel is aware of Emiko's identity as Green Arrow.
F. Bingsley: Oliver informed Bingsley of Emiko's identity as Green Arrow.
Emily Pollard: Bingsley informed Emily of Emiko's identity as Green Arrow (off-screen).

Sara Lance/The Canary/White Canary

Sara began her duty as a vigilante called "The Canary". After resurrected from Lazarus Pit, she now goes by the name "White Canary".

League of Assassins: The entire League, including the likes of Ra's al Ghul, Nyssa al Ghul and Al-Owal, were aware of Sara's vigilantism in Starling City, due to her having trained with them.
Cindy Simone: After saving Cindy from being raped by a group of men, Sara revealed her identity to Cindy.
Oliver Queen: Oliver trapped the Canary with a bunch of ropes attached to arrows, only to take off her mask to reveal Sara. He in turn revealed his identity.
Team Arrow: When Sara joined Oliver's team, she met John Diggle and Felicity Smoak. Later when Roy Harper joined Team Arrow, he learned of Sara's secret.
Quentin Lance: When the League of Assassins began to hunt Sara down, under orders from Nyssa al Ghul, Sara decided that the best way to protect her family was to reveal her secret identity, thus giving them a full idea of the dangerous situation. She revealed this to her father, Quentin, who was initially shocked at her appearance, though accepting of her actions.
A.R.G.U.S.: Amanda Waller and Lyla Michaels were aware of who Sara was and what she did.
Slade Wilson: When Slade began to hunt down Oliver and destroy him, Oliver's team fought back. In the midst of this, Slade was made aware of Sara still being alive, and further inferred Sara's vigilantism.
Laurel Lance: When Laurel saw Sara's injuries after Slade's attack, she was nearly heartbroken on learning this.
Caitlin Snow: After Felicity gave her some evidence to process in regards to the Canary's death, Caitlin openly called her "Sara", somehow knowing who the Canary was. However, it is possible that she learned Sara's identity when studying the DNA on the arrows.
Cisco Ramon: As Caitlin openly named the Canary as Sara, either Cisco was already aware of her identity, or he became aware then.
Thea Queen: After Sara was resurrected Thea saw her in full Canary get-up.
Ray Palmer
Leonard Snart: As a member of the Legends' team, Leonard learned Sara's alter-ego.
Mick Rory: As a member of the Legends' team, Mick learned Sara's alter-ego.
Martin Stein: As a member of the Legends' team, Martin learned Sara's alter-ego.
Jefferson Jackson: As a member of the Legends' team, Jax learned Sara's alter-ego.
Kendra Saunders: As a member of the Legends' team, Kendra learned Sara's alter-ego.
Carter Hall: As a member of the Legends' team, Carter learned Sara's alter-ego.
Rip Hunter: Rip knows that Sara is the Canary.
Scythian Torvil: After his memories of all his previous incarnations awoken; Scythian is now aware of Sara's identity as White Canary.
Eobard Thawne: Eobard knows that Sara is the White Canary.
Damien Darhk: Damien knows that Sara is the White Canary.
Nate Heywood: When Nate joined Legends, he learned about Sara's alter-ego.
Amaya Jiwe: When Amaya joined Legends, he learned about Sara's alter-ego.
Barry Allen: Barry saw Sara in her White Canary suit at the S.T.A.R. Labs hall.
Kara Danvers: Kara saw Sara in her White Canary suit at the S.T.A.R. Labs hall.
H.R. Wells: H.R. saw Sara in her White Canary suit at the S.T.A.R. Labs hall.
Iris West-Allen: Iris saw Sara in her White Canary suit at the S.T.A.R. Labs hall.
Zari Tarazi: When Zari joined Legends, he learned about Sara's alter-ego.
Alex Danvers: Alex saw Sara in her White Canary suit.
Oliver (Earth-X): Dark Arrow saw Sara in her White Canary suit.
Kara (Earth-X): Overgirl saw Sara in her White Canary suit.
Ray Terrill: Ray saw Sara in her White Canary suit.
Sturmbannführer: Sturmbannführer saw Sara in her White Canary suit.
Winn Schott (Earth-X): Winn saw Sara in her White Canary suit.
Leo Snart: Leo saw Sara in her White Canary suit.
Dinah Drake: Dinah saw Sara in her White Canary suit.
Curtis Holt: Curtis saw Sara in her White Canary suit.
Rene Ramirez: Rene saw Sara in her White Canary suit.
Wally West: When Wally joined Legends, he learned about Sara's alter-ego.
Ava Sharpe: Ava knows that Sara is White Canary.
John Constantine: John knows that Sara is White Canary.

Ray Palmer/The Atom

Felicity Smoak: After he'd been holed up trying to finish his exosuit, Ray caved and allowed Felicity to see his progress, while at the same time asking for her help in his endeavour.
Oliver Queen: When Ray discovered the identity of the Arrow, Felicity came to tell Oliver about the suit he'd been making.
Roy Harper: When Ray discovered the identity of the Arrow, Felicity came to tell Oliver about the suit he'd been making, as Roy was present during the conversation between Oliver and Felicity.
Barry Allen: When Ray flew into Central City, Barry saw him in full view as the Atom.
Cisco Ramon: When Ray flew into Central City, Cisco saw him in full view as the Atom.
Caitlin Snow: When Ray flew into Central City, Caitlin saw him in full view as the Atom.
Eobard Thawne: When Ray flew into Central City, Eobard saw him in full view as the Atom.
John Diggle: When Oliver's team allied with Ray to take down a meta-human, John seemed already aware of Ray's suit, as he was probably informed by the team.
Malcolm Merlyn: While trapped in Nanda Parbat, Malcolm saw Ray unsuited.
Tatsu Yamashiro: In Nanda Parbat, Tatsu saw Ray unsuited.
Damien Darhk: Damien kidnapped a miniaturized Ray in his exosuit after intercepting his message to Felicity.
Rip Hunter: As a former Time Master, Rip knows that Ray is the Atom.
Leonard Snart: Leonard saw Ray in full Atom get-up when the team fought Chronos.
Mick Rory: Mick saw Ray in full Atom get-up when the team fought Chronos.
Sara Lance: Sara saw Ray in full Atom get-up when the team fought Chronos.
Kendra Saunders: Kendra saw Ray in full Atom get-up when the team fought Chronos.
Carter Hall: Carter saw Ray in full Atom get-up when the team fought Chronos.
Jefferson Jackson: Jax saw Ray in full Atom get-up when the team fought Chronos.
Martin Stein: Martin saw Ray in full Atom get-up when the team fought Chronos.
Vandal Savage: Being in league with the Time Masters and encountering the team so many times throughout history, Vandal became aware of Ray's identity as the Atom.
Connor Hawke: Traveling to the year 2046 in Star City, the team ran into Connor, the new Green Arrow, giving away Ray's identity.
Ra's al Ghul: Ra's saw Ray in his full Atom suit fight when Chronos came to Nanda Parbat in the year 1960.
Jonah Hex: Jonah saw Ray in his full Atom suit fight against The Hunters traveling to the year 1887.
Nate Heywood: Joining the Legends from being a historian, Nate saw Ray fight against Damien Darhk in 1942.
Justice Society of America: The entire JSA, including Henry Heywood, Charles, Todd Rice, Courtney and Amaya Jiwe saw Ray fight in his Atom suit against the Nazis in 1942.
Eobard Thawne: Due to him being a time traveler, Eobard knows about all the Legends identities, including Ray.
Kara Danvers: After traveling to Earth-1 to help with the Dominators, Ray confirmed his identity as the Atom to Kara.
H.R. Wells: After everyone gathered to help with the Dominators, H.R. overheard Ray confirming his identity as the Atom.
Iris West-Allen: Iris was present when Ray confirming his identity as the Atom to Kara.
Ava Sharpe: Ava knows that Ray is the Atom.
Zari Tarazi: When Zari joined Legends, she was informed that Ray is the Atom.

Nate Heywood/Steel

Ray Palmer: When Ray was seeing what Nate could do; he saw Nate as Steel.
Sara Lance: Sara saw Nate as Steel; when Ray was testing Nate's powers.
Amaya Jiwe: Amaya saw Nate as Steel; when Ray was testing Nate's powers.
Mick Rory: When Nate saved Mick from Amaya; he saw Nate as Steel.
Martin Stein: Martin was present when Nate demonstrated his power as Steel.
Jefferson Jackson: Jax was present when Nate demonstrated his power as Steel.
Jonah Hex: When Nate saves Hex from being hung; he saw Nate as Steel.
Barry Allen: Barry saw Nate in his Steel suit at the S.T.A.R. Labs hall.
Caitlin Snow: Caitlin saw Nate in his Steel suit at the S.T.A.R. Labs hall.
Cisco Ramon: Cisco saw Nate in his Steel suit at the S.T.A.R. Labs hall.
Oliver Queen: Oliver saw Nate in his Steel suit at the S.T.A.R. Labs hall.
John Diggle: John saw Nate in his Steel suit at the S.T.A.R. Labs hall.
Felicity Smoak: Felicity saw Nate in his Steel suit at the S.T.A.R. Labs hall.
Thea Queen Thea saw Nate in his Steel suit at the S.T.A.R. Labs hall.
Kara Danvers: Kara saw Nate in his Steel suit at the S.T.A.R. Labs hall.
Eobard Thawne: Eobard is aware of Nate's identity as Steel.
Damien Darhk: Damien saw Nate in his Steel suit.
Malcolm Merlyn: Malcolm is aware of Nate's identity as Steel.
Rip Hunter: Rip is aware of Nate's identity as Steel.
Leonard Snart: After Leonard was recruited into the Legion of Doom; he was informed of Nate's identity as Steel (off-screen).
Wally West: Wally is aware of Nate's identity as Steel.
Ava Sharpe: Ava is aware of Nate's identity as Steel.
Zari Tarazi: When Zari joined Legends; she was informed of Nate's identity as Steel.
Alex Danvers: Alex saw Nate in his Steel suit.
Dinah Drake: Dinah saw Nate in his Steel suit.
Harry Wells: Harry saw Nate in his Steel suit.
Iris West-Allen: Iris saw Nate in his Steel suit.
Curtis Holt: Curtis saw Nate in his Steel suit.
Rene Ramirez: Rene saw Nate in his Steel suit.
John Constantine: John is aware of Nate's identity as Steel.
Central City citizens: While Nate operated in Central City as part of Team Flash he would typically be seen in the field without his mask, suggesting that his identity is public knowledge to the city's residents.^[57]
Hank Heywood: Nate turned into steel in front of Hank.^[58]
Gary Green: Nate turned into steel in front of Gary.
Charlie: Charlie is aware of Nate's identity as Steel.
Mikey T: Nate used his powers to stop a wrecking ball from destroying the Heyworld site; because he couldn't verbally get Mikey's attention.
Neron: Nate used his powers to defend himself from a few blows by Neron through Ray's body, implying that the demon discovered Nate's identity. Neron later saw Nate in his Steel suit.
Nora Darhk: Nora is aware of Nate's identity as Steel.
Mona Wu: Mona is aware of Nate's identity as Steel.
Heyworld visitors: When Nate was killed at the hands of Neron to save Ray, the Legends called him by name while mourning over him in front of spectators and then while convincing the spectators to help bring him back to life.

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 "Three Sevens: The Book of Thunder"
↑ ^2.0 ^2.1 "The Book of Little Black Lies"
↑ ^3.0 ^3.1 "The Book of Consequences: Chapter One: Rise of the Green Light Babies"
↑ ^4.0 ^4.1 "The Book of Rebellion: Chapter Three: Angelitos Negros"
↑ ^5.0 ^5.1 ^5.2 "The Book of Secrets: Chapter Four: Original Sin"
↑ "The Book of Occupation: Chapter Four"
↑ ^7.0 ^7.1 "The Book of Occupation: Chapter Five"
↑ "Going Rogue"
↑ "Flash vs. Arrow"
↑ "Taken"
↑ ^11.0 ^11.1 ^11.2 ^11.3 ^11.4 ^11.5 ^11.6 "Worlds Finest"
↑ "Fury Rogue"
↑ ^13.0 ^13.1 "King Shark vs. Gorilla Grodd"
↑ "Failure is an Orphan"
↑ "Mother"
↑ "License to Elongate"
↑ "Crisis on Infinite Earths: Part Four"
↑ "Grodd Friended Me"
↑ "So Long and Goodnight"
↑ ^20.0 ^20.1 "Family Matters, Part 1"
↑ ^21.0 ^21.1 "Tell Me the Truth"
↑ ^22.0 ^22.1 ^22.2 "If You Believe In Me, I'll Believe In You"
↑ "Rule #1"
↑ "Time Bomb"
↑ ^25.0 ^25.1 "The Resurrection"
↑ ^26.0 ^26.1 "Sins of the Father: The Book of Redemption"
↑ "Black Jesus: The Book of Crucifixion"
↑ "The Book of Resistance: Chapter Two"
↑ "The Book of Reunification: Chapter Two"
↑ "The Book of Reunification: Chapter Two"
↑ ^31.00 ^31.01 ^31.02 ^31.03 ^31.04 ^31.05 ^31.06 ^31.07 ^31.08 ^31.09 ^31.10 ^31.11 "Pilot"
↑ ^32.0 ^32.1 ^32.2 ^32.3 "Pilot"
↑ ^33.0 ^33.1 "Rebirth"
↑ "Blood Memory"
↑ "A Few Good Women"
↑ ^36.0 ^36.1 "Pilot"
↑ "Down Down Down"
↑ ^38.0 ^38.1 "I'll Be Judge, I'll Be Jury"
↑ ^39.0 ^39.1 ^39.2 ^39.3 ^39.4 "Whatever Happened to Kate Kane?"
↑ "How Queer Everything Is Today!"
↑ "Take Your Choice"
↑ "Drink Me"
↑ "O, Mouse!"
↑ ^44.0 ^44.1 "Green Arrow & The Canaries"
↑ "Fadeout"
↑ "Memorabilia"
↑ "A Girl Named Sue"
↑ "It's Best You Stop Digging"
↑ "Arrive Alive"
↑ "Rebirth"
↑ ^51.0 ^51.1 ^51.2 ^51.3 ^51.4 "Kane, Kate" Cite error: Invalid <ref> tag; name ":0" defined multiple times with different content
↑ Arrow: Vengeance
↑ "Descent"
↑ ^54.0 ^54.1 ^54.2 "Shifting Allegiances"
↑ ^55.0 ^55.1 "Docket No. 11-19-41-73"
↑ "The Ties That Bind"
↑ "Aruba-Con"
↑ "Witch Hunt"

[Three_Sevens:_The_Book_of_Thunder-1] 1.0 ^1.1 ^1.2 ^1.3 "Three Sevens: The Book of Thunder"

[The_Book_of_Little_Black_Lies-2] 2.0 ^2.1 "The Book of Little Black Lies"

[ReferenceA-3] 3.0 ^3.1 "The Book of Consequences: Chapter One: Rise of the Green Light Babies"

[ReferenceB-4] 4.0 ^4.1 "The Book of Rebellion: Chapter Three: Angelitos Negros"

[ReferenceC-5] 5.0 ^5.1 ^5.2 "The Book of Secrets: Chapter Four: Original Sin"

[6] "The Book of Occupation: Chapter Four"

[ReferenceD-7] 7.0 ^7.1 "The Book of Occupation: Chapter Five"

[8] "Going Rogue"

[9] "Flash vs. Arrow"

[10] "Taken"

[Worlds_Finest-11] 11.0 ^11.1 ^11.2 ^11.3 ^11.4 ^11.5 ^11.6 "Worlds Finest"

[12] "Fury Rogue"

[:1-13] 13.0 ^13.1 "King Shark vs. Gorilla Grodd"

[14] "Failure is an Orphan"

[15] "Mother"

[16] "License to Elongate"

[17] "Crisis on Infinite Earths: Part Four"

[18] "Grodd Friended Me"

[19] "So Long and Goodnight"

[Family_Matters1-20] 20.0 ^20.1 "Family Matters, Part 1"

[Truth-21] 21.0 ^21.1 "Tell Me the Truth"

[Believe-22] 22.0 ^22.1 ^22.2 "If You Believe In Me, I'll Believe In You"

[Rule-23] "Rule #1"

[24] "Time Bomb"

[The_Resurrection-25] 25.0 ^25.1 "The Resurrection"

[Sins_of_the_Father:_The_Book_of_Redemption-26] 26.0 ^26.1 "Sins of the Father: The Book of Redemption"

[27] "Black Jesus: The Book of Crucifixion"

[28] "The Book of Resistance: Chapter Two"

[29] "The Book of Reunification: Chapter Two"

[30] "The Book of Reunification: Chapter Two"

[Pilot_S-31] 31.00 ^31.01 ^31.02 ^31.03 ^31.04 ^31.05 ^31.06 ^31.07 ^31.08 ^31.09 ^31.10 ^31.11 "Pilot"

[S.26L-32] 32.0 ^32.1 ^32.2 ^32.3 "Pilot"

[Rebirth-33] 33.0 ^33.1 "Rebirth"

[34] "Blood Memory"

[35] "A Few Good Women"

[PilotB-36] 36.0 ^36.1 "Pilot"

[37] "Down Down Down"

[Judge-38] 38.0 ^38.1 "I'll Be Judge, I'll Be Jury"

[Kate-39] 39.0 ^39.1 ^39.2 ^39.3 ^39.4 "Whatever Happened to Kate Kane?"

[40] "How Queer Everything Is Today!"

[41] "Take Your Choice"

[42] "Drink Me"

[43] "O, Mouse!"

[GATC-44] 44.0 ^44.1 "Green Arrow & The Canaries"

[45] "Fadeout"

[46] "Memorabilia"

[47] "A Girl Named Sue"

[48] "It's Best You Stop Digging"

[49] "Arrive Alive"

[50] "Rebirth"

[:0-51] 51.0 ^51.1 ^51.2 ^51.3 ^51.4 "Kane, Kate" Cite error: Invalid <ref> tag; name ":0" defined multiple times with different content

[52] Arrow: Vengeance

[53] "Descent"

[Shifting_Allegiances-54] 54.0 ^54.1 ^54.2 "Shifting Allegiances"

[Docket_No._11-19-41-73-55] 55.0 ^55.1 "Docket No. 11-19-41-73"

[56] "The Ties That Bind"

[57] "Aruba-Con"

[58] "Witch Hunt"

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Contents

Secret identities

Caitlin Snow/Frost

Grace Parker/Pestilence/Blight

Jefferson Jackson and Martin Stein/Firestorm

Julia Freeman/Purity

Ronnie Raymond and Martin Stein/Firestorm

Samantha Arias/Reign

Former secret identities

References

Fan Feed