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"Hey, what up, party people?"
—Chester P. Runk[src]

Chester Phineas "Chuck" Runk (born July 5, 1991)[1] is a former scientist turned online streamer in Central City. After stabilizing his powers and meeting Barry Allen, he became a member of Team Flash.

Chester helped the team fight Eva McCulloch and the Forces. After Cisco left Team Flash and S.T.A.R. Labs to become the next director of technology and science for A.R.G.U.S., his responsibilities were passed onto Chester who now serves as the team's main tech support and tech specialist. Chester also finished building his father's machine to help Team Flash eliminate the Godspeed clones.

After defeating Despero during Armageddon, Chester got attacked by “The Black Flame” and is now working with Team Flash to stop it. After defeating The Black Flame also known as Deathstorm, Chester held Allegra as the two of them and the rest of team Flash cried over hearing the news of Frost‘s death.

Chester is the best friend of Allegra Garcia and in an erased future, he was her boyfriend.


Original multiverse

Early life

Chester P. Runk was born on July 5, 1991.[1]

Chester streaming.

While he was a scientist, Chester scavenged for old lab equipment and materials from a junkyard. After later being caught and apprehended, the Central City Police Department let Chester off with a warning. He later left his occupation to become an online streamer, where Chester often displayed his scientific and technological prowess to viewers. To stay up for his streams, Chester would go to CC Jitters, where he met and was attracted to Natalie, a barista who often brewed him a Vibe-uccino.

During one stream, Chester built a gravitational wave emitter using scraps from his garage. However, when he turned it on, the device malfunctioned, forming a black hole in the process. Chester frantically attempted to resolve the problem but accidentally touched the black hole, seemingly sending him into a catatonic state. In reality, half of his consciousness had been transferred into the black hole itself.[2]

Materializing around Central City

Not long after, the black hole, where half of Chester's consciousness resided, began to materialize at places of personal significance to him, such as the junkyard where he was once apprehended, where it almost pulled in Iris West-Allen before dissipating. It later materialized at CC Jitters, the place where his crush Natalie worked, nearly killing all the people in the building before they were saved by The Flash.

Having uncovered Chester's history and an experiment gone wrong, Iris tracked him down to a hospital and attempted to communicate with him, although Chester was unable to respond. Iris later realized the correlation between Chester's movements and the black hole's pulses, allowing Team Flash to devise a plan to send Barry into the black hole in order to destabilize it and return Chester's whole consciousness to his body.[2]


Chester after his consciousness returned to his body.

Shortly afterward, the black hole reappeared, powerful enough to engulf all of Central City. While Chester was relocated to the Mental Augmentation Chamber (MAC) at S.T.A.R. Labs, Barry ran into the black hole and cut it off from within, restoring Chester's consciousness to his physical form while the black hole imploded. After awakening, Chester, with his eyes glowing of dark energy, admitted to The Flash that he was a big fan. Cisco later revealed that Chester would have to remain inside the MAC for four to six weeks longer to allow his subatomic particles to re-stabilize.[2]

Days later, Chester's vitality is completely reestablished, and he is freed automatically. He finds himself in S.T.A.R. Labs, enthusiastically dancing around and snacking on lounge food, he signs on to one of the PCs and discovers his own eulogy, he is surprised to see Frost, who was late arriving due to getting coffee. While he fanboyed over meeting her, Frost called in for help explaining why Chester's death was faked.

Cecile Horton assists Chester with getting once more into society and he requests counsel on the best way to ask out Natalie. She offers to utilize her forces to get him out, Cecile puts in a Jitters to Go request so Natalie will convey it to Chester, and she'll hypothetically have the option to peruse her feelings, the entire trial goes poorly, Cecile later apologizes, and uncovers that she read Natalie's feelings wrong since she was shaky about her own direction throughout everyday life, Chester concludes the two of them should grasp their actual selves, and ask out Natalie. Cecile makes business cards for her new business, and afterward discloses to Chester that he's greeting at Star Labs at whatever point he needs.[1]

Anti-Monitor Crisis

During the Anti-Monitor Crisis, Chester as well as everyone in the multiverse except for the seven Paragons, was killed in an antimatter wave by the Anti-Monitor on December 10, 2019,[3] only to be restored a month later, after the Paragons and the Spectre created a new universe.[4]

New multiverse

Early life

Chester grew up in Masonville, raised by his grandmother and his father. Chester would routinely look through Quincy's garbage because Quincy would discard items that Chester would find as useful for his own inventions. When his father died on December 5, 1998, Chester believed that Quincy did not like him since they hardly interacted and Quincy was constantly working.[5] He began watching the Powers Rangers franchise sometime between 1993 and 1996.[6]

When Chester was eleven, he attempted to build a hovercraft from his grandmother's car; the experiment did not work and he views drowning her car as one of his worst experiences.

While in the sixth grade, Chester created a working miniature copy of the "Millennium Falcon" to be presented at his school's science fair. Due to rust in the intake valve, the vessel did not fly on the day of the exhibit. The teacher grading him was a fellow African-American, who lived through the more rough eras of racism; he refused to allow Chester to fix the problem, citing that people like them don't get second chances, teaching Chester a life-long lesson.[7]

Chester went to Masonville High School and met the principal, but he and Gertrud moved to Central City.[5]

At some point, Chester learned of Grodd and decided that he was his favorite supervillain.

Most of Chester's life remained unchanged by the Crisis. Sometime on Earth-Prime, Barry would visit and talk to Chester while he was in the MAC.[7]

Helping and joining Team Flash

Team Flash.

Following Cisco's adventures around Earth-Prime, Chester began helping out in mission control. Alongside Kamilla Hwang, he helped Barry against Hartley Rathaway/Pied Piper, although the latter escaped. When Barry was running tests to count the number of changes to the timeline, Chester, who learned that Barry was the Flash, tried to help out, but was rebuffed by Barry who didn't view Chester as a member of the team. Chester's feelings were hurt, so he left, going to CC Jitters.

Later, when Barry was trapped in Grodd's mind, Chester was afraid to help, feeling that the dilemma was his fault, because he tinkered with the gadget that Barry was using; though he made it work more efficiently, he did it without permission and it sent Barry's mind to Grodd's location. Frost talked to Chester, making him see that mistakes are learnable moments. She then combined her and his scientific knowledge to guide Barry safely out. He was also able to find the location of Henry and Nora Allen's graves, which Barry had been struggling to find. Barry apologized to Chester for his earlier outburst, and then invited him to become part of Team Flash which he jovially accepted. When Pied Piper appeared again on the computers, Chester took command.[7]

Reading a book, Chester wondered about the possibility of the universe being a cosmic neural network despite agreeing with the author. Informed from an alert to where Eva was, he waked Barry up from the Cryo Pod. Chester became concerned about Barry's state and him having only one percent of his speed left, assured from Barry that he better hurry using it before heading to Eva. On comps with Barry, Chester detected Eva's coordinates to have slowed down, considering she had stopped moving only for Barry to explain that she was only going up. Later, Chester asked if he stopped Eva.[8]

After returning from visiting Gertrud,[9] Chester was attacked by one of the mirror clones but managed to escape and return to S.T.A.R. Labs. He helped the Team Flash come up with a plan to defeat Eva, and after her defeat,[10] Chester volunteered with the other members of Team Flash in the rebuilding of Central City.[11]

Back in time

Chester entered S.T.A.R. Labs and could not believe that he was in the presence of the Speed Force itself; Cisco had to get his attention for Chester to discuss the isotope detection system he had devised to find the Forces of Nature. The system only works in close proximity to the Forces, so Cisco and Chester go to the van to create amplifiers as they travel about town to make detection easier. The two are outside nearby Masonville working on the device, when a wave of energy hits them. They notice that the cellphones and the van have disappeared. Throwing a rock which hits a energy field, the two notice they are in a dome.

They spend the night walking ten miles to Masonville to get a phone to call the Lab; they notice that things seem "retro". They realized that they have Time traveled to 1998. Cisco tells Chester that they are stuck with the dome within the year 1998, so they must find a way out of the dome and forward in time. Cisco originally thinks Turtle 2.0 did this until he realizes that that the detector alerted them before they were engulfed, so this must be the work of a Force of Nature. Chester decides to use his skill in dumpster diving to find the parts they need to be able to track this new time-manipulating Force.

They trace the Force to Masonville High School, but Chester remembers that the principal would not allow them inside, so they change into '90's motifs to blend better. Inside the two interview and scan different students but find nothing until they talk to Parker, the Masonville Falcons water boy. Their conversation with him causes him to break free of the time bubble. But suddenly, Parker cries that he will relive the day for another time because of them. The energy wave comes and they do. This time, however, since only Chester had the sensor, Cisco believes that he is seven years old, his age in 1998. Chester frees him, shortly, by having him remember the future.

The sensor is broken from absorbing so much energy so Chester needs to get the parts to fix it, but, when Cisco wonders why they keep looping to December 4, 1998, Chester does not want to go to Gertrud Runk's to get the parts. Going to a tech store, Chester learns that Quincy P. Runk bought the part and does not wish to part with it when Cisco offers to buy it from him. This forces Chester to confront Quincy. Chester, who does not reveal his identity, learns how much he was loved by his father, before Quincy helps to repair the sensor.

Cisco and Chester face off against Deon.

Back at the high school, Deon Owens of the football team appears, full of anger; he is the wielder of the Force. Deon is so angry that he pulsates energy. Cisco blasts him back, but Deon erases the sensor from existence. Before Deon can rewind time, Chester explains to Deon that he is attempting to correct a fixed point in his own timeline; he can not change this day in his past. Chester talks to Deon about his encounter with his father and howit will change Chester's future. Deon stands down and decides to go to the future. Deon also frees everyone from the loop, thanks to Chester.

Chester and Cisco return to 2020 S.T.A.R. Labs and tell their story to the team. Cisco names the Forces of Nature and gives Chester his credit for beating Deon. Chester then starts working on an old project his father never finished.[5]


Respecting Cisco's time with Kamilla, Chester finally had his opportunity to replace him as advisor to the CCPD; Chester went with Barry to a crime scene at Ivo Labs where a truck driver was turned to ice and shattered. Chester and Barry discover that the ice sample has artificial dark matter, meaning that Frost was not the culprit. Chester and Barry talk with Officer Daisy Korber when the Meta-human Task Force go to arrest Frost but apprehend Caitlin Snow instead.[6]

The day after Frost was sentenced,[12] Barry called a meeting of Team Flash to announce that he planned to go backward in time seventeen days to the re-creation of the Speed Force to stop the creation of the three other Forces of Nature.

Chester works meticulously on the tachyon prototype testing it constantly because it is the key to destroying the Forces. Deon Owens suddenly appears and Chester slips the prototype into his pocket to hide, before he introduces Deon to Timeless Wells and Barry, who explains to Deon their plan and upsets the "time god". Deon tries to destroy the prototype but only wrecks the empty shell. The other scientists are pleased with Chester's quick thinking to hide the machine; Chester builds another casing, before Timeless and the Flash Time travel.[13]

The next day, Chester placed sensors throughout Central City to make finding the Speed Force easier.[14]

Chester supported Cisco in finding a way to stop the Speed ​​Force tempest. Then, Chester helped from S.T.A.R. Labs to Barry and the Forces to inform them of what is happening with the tempest. After the tempest stopped, Chester, Kamilla, Cisco, and Allegra went to celebrate the victory.[15]

Replacing Cisco

Chester said goodbye to Cisco, as he was leaving the team to join A.R.G.U.S. After Barry and Caitlin asked to distract Cisco, who was hypnotized by the powers of Rainbow Raider 2.0, Chester took it upon himself to distract him, but not for long as Cisco had run away. Shortly after Cisco last saved the day, Chester spoke to Cisco to tell him about his surprise, and Chester agreed to become the new principal tech support.[16]

Chester searches the Starchives.

Chester tried to honor Cisco's position while creating new inventions, but some failed and unexpectedly found Barry and Iris in an awkward position. Chester helped Cecile into his mind to free Barry and stop Psycho Pirate. Chester ran into Sue Dearbon, and they were both trying to free Barry and Cecile, but their attempts were unsuccessful and Chester felt bad about himself and stormed off. After chatting with Iris, Chester regained his confidence and managed to free Barry and Cecile. After Sue apologized, Chester continued working on new inventions for the team.[17]

Helping Allegra

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Chester's revelation ends up being about Allegra's tattoo, a ying-yang which rouses him. He can utilize Allegra's forces to follow Ultraviolet's and along these lines, discover her. When they discover her, Chester and Allegra go to defy Ultraviolet at the malevolent specialist's mysterious office.[18]

Fighting the Godspeed clones

Chester spoke to Frost about the heroics of Mark Blaine, who was a former villain by the name of Chillblaine. Chester and the team watched as Barry began to behave quite strangely. Shortly after, Chester notified Barry that he located one of the Godspeed clones, but because there were so many clones, Chester was forced to shut down S.T.A.R. Labs with a force field to prevent clones from entering.

Chester was glad to learn that Iris might be pregnant and explained to Barry that they owe a very loud sound frequency to eliminate the clones. Upon deactivating the force field, Chester entered the Time Vault to activate the sound frequency with the help of Gideon. Chester's plan failed because a clone destroyed the sound and was about to assassinate Chester, but Flash managed to save his friend. After the fight, Chester and the team prepared in case the clones return.[19]

Chester, Diggle, Cecile, and Barry test the device to stop the clones.

After John Diggle arrived, Chester admired him for being "the heart and soul of Team Arrow" and helped use an entropy trap created by Cisco to capture one of the Godspeed clones. After the clone escaped, Chester warned of another Godspeed attack. After the team rescued a stranger who was going to be attacked by a Godspeed, Chester said goodbye to Diggle by bumping his fists, making Chester happy.[20]

Chester and Cecile met Barry's children of the future, Nora West-Allen and Bart West-Allen. Chester explained that he can use his father's Solar Encryption Engine to eliminate all the clones. Chester spoke to Allegra to ask for her help and activate her father's machine.

Chester was surprised to discover that Allegra was sad because of Esperanza's death. Both were left without saying anything until Barry arrived to try to use the incomplete machine to annihilate the clones without success. Chester motivated Allegra to move on. He informed the team that Jay Garrick and Bart were being attacked by the clones in a church. Chester and the team helped Barry enter the mind of August Heart, the original Godspeed, to find out how to end Godspeed's war.[21]

Chester went to Allegra to tell her that she was not the culprit of Esperanza's death and that thanks to her, Esperanza spoke again. Finally, Chester and Allegra used the machine to help the sprinters take down the first wave of Godspeeds. The team prepared for the next wave of Godspeeds. Chester was going to use his machine again to kill the clones, but Barry avoided him as they gave Heart energy to regain his speed. After Barry managed to beat Heart, Chester and the team attended Barry and Iris's vow renewal ceremony.[22]

Meeting Ray Palmer

Chester visited Barry and Iris in their loft, but was surprised to see Ray Palmer, also known as the hero Atom. Chester and Ray talked about going to the Central City Technology Convention together. At Jitters, Chester talked to many fans about Ray, but Palmer cut him off as he told him that he had retired from being a scientist and a hero, something that made Chester sad. Regardless of what Ray said, Chester did a livestream at the convention with Barry and Ray.

Chester regained his confidence upon seeing Ray's speech, but was interrupted by Despero, who was coming looking for Barry. When Ray decided to get back into action, Chester was excited for the hero team up. Chester and Iris watched Flash and Atom confront Despero. Soon after, Chester gave Ray a hug as he decided to found a corporation for young scientists in honor of Quincy.[23]

Stopping Armageddon

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Some time later, Chester, Barry, Allegra, Iris, Joe, Frost, and Cecile prepare for a vacation in Paris while discussing Frost and Caitlin's new courtships.[24]

New missions

Chester is in charge of monitoring the city with the help of Allegra, and they were flirting until they saw how Barry caught 3 criminals at the same time. Chester and Allegra later streamed to promote their new drone until Caitlin interrupted to talk about Frost and Mark Blaine's relationship.[25]

Chester and Barry investigated a murder of a bartender who was burned alive and figured out that it could be Jaco Birch, aka The Hotness, although Barry was hopeful that Birch was innocent, but Chester, Frost, and Cecile were not. according to. When a mysterious magma caused tremors, Chester explained the situation and that everyone could die until Barry and Birch joined forces to stop the magma, causing Chester to celebrate, and they began searching for the real fire metahuman who caused the murders.[26]

Possible future

In the future Nora and Bart West-Allen hail from, Chester improved Nora's gauntlet's efficiency by around 2000% and often helped Bart with his differentials math homework, and Nora and Bart consider Chester to be the smartest person they know.[21]

Erased future

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Future Team Flash at Eobard and Iris' ceremony.

After Barry left to the future, Chester and the rest of Team Flash were put on chairs by Despero, later being errased by a wave of time.

In an erased future created by Eobard Thawne, he was the Flash and Barry was the Reverse-Flash. Along with Damien Darhk, the Reverse-Flash killed Ray Palmer, Nate Heywood, Sara Lance, and Cisco Ramon. At some point, Chester and Allegra hooked up, but when Chester went to get cofee for her to have an amazing morning, Allega got nervious making her leave.[27]

In 2031, Chester assisted Eobard and Iris' ceremony, when Barry Allen crashed it, making the team angry.[28]


"Are you sure you don't want some help? 'Cause, I mean, I'm ready, willing, and caffeinated, sir. Put me in, coach!"
—Chester P. Runk to the Flash[src]

Affable and exuberant, Chester has a likable personality, evidenced by the fact that he had many subscribers amicably commenting on his posted videos. He also gets along well with other individuals quickly - at a literal drop of the hat, even, as seen when he met several Harrison Wells (through Barry); Sherloque, H.R. and Wells the Grey. Despite interacting with them briefly, Chester was vibing with H.R. and Wells the Grey within seconds of meeting them. He was also able to form a connection with Allegra Garcia within a short period of time, despite Allegra not being very open to people.

At an earlier age, a teacher taught Chester that he would not get a second chance to do things right, so he tries hard to leave a good first impression.

When Chester failed to impress Natalie, he accepted it gracefully since he could allow himself to live.

Chester is a fan of several heroes and heroic teams. He was happy about meeting the Flash in the M.A.C. and later becoming a full member of Team Flash. He also was excited when John Diggle came to Central City to help Team Flash, praising him him as "the heart and soul of Team Arrow" and being happy about having a fist bump farewell with him.[20]

However as Chester is still human, he is capable of feeling intense emotions of sorrow and stress when the moment hits him. Such as when Deathstorm made him see visions of his dead father or when he felt he let team Flash down after Deathstorm won.

Powers and abilities


  • Meta-human physiology: After building a gravitational wave emitter, which malfunctioned, Chester gained his own unique powers.[2]
    • Black hole/Void manifestation: Half of Chester's consciousness was stored in a black hole. While in a comatose state, the black hole pulsated in rhythm with his finger motions. However, despite having black hole powers, he is incapable of using them due to no longer being in a comatose state.[2]


"That tweak you made in Gideon earlier? In two seconds you improved her functionality more than I did in two hours. You're a genius."
Barry Allen to Chester Runk[src]
  • Genius-level intellect/Master engineer/Expert tactician: Chester is intelligent enough to create his own gravitational wave emitter from junkyard material and put it together in his own garage, a feat that, according to Cisco Ramon, was nothing short of legendary. However, he was under the belief that what he was creating was a device meant to contact extraterrestrial life, only realizing too late the actual capability of his innovation.[2] Later, in a matter of moments, Chester fixed and amplified a device more than Barry Allen, who has superhuman speed and is a genius and an exceptional engineer himself, was able to do in hours of work. During the final battle between Flash and Despero, Chester was able to make Barry a new pair of boots that were able to absorb energy as powerful as The Flame of Py’tar. Overall Chester is one of the most brilliant engineers on the planet. Chester is also a brilliant strategist allowing him to hold his own in a fight, as shown when he saved Allegra, Lydia and Allegra’s staff from Sunshine and again when he fought the negative Strength Force, tricking her into trapping herself.[7]


The Flash

Season 6

Season 7

Season 8



The Chronicles of Cisco


  • In the new multiverse, Chester may be a worshiper of Rao, since he shouted, "Thank Rao!" upon learning that Barry Allen was safe.[7]
  • He's a fan of Mighty Morphin Power Rangers, even comparing the Speed Force to the Rangers' mentor and leader Zordon.[6]
  • Chester is a sci-fi fan, which includes Arthur C. Clarke, Star Wars, Battlestar Galactica and mostly Doctor Who.
  • Chester is also a fan of Dungeons & Dragons.[18]
  • Chester is also the meta-human member of Team Flash to not use their powers since their first appearances.
  • Despite being a very friendly individual, Chester is technically the most dangerous member of Team Flash, as his black hole powers have the potential to destroy the entire world.
  • Chester has a crush on Allegra as evidenced in various episodes of Season 7 and Season 8.

Behind the scenes

  • In the DC comics, Chester P. Runk, also known as Chunk, is an enemy-turned-friend of Wally West who has a black hole in his body. He debuted in The Flash #9 (February, 1988).
  • Chester's origin story is identical to Doctor Octopus from Spider-Man 2. They both built machines that backfired, resulting in them gaining newfound powers.