Characters from the DC comics

Below is a list of characters who originally appear in the DC comics multiverse prior to the episode's airing, by appearance.

Arrow
Characters first appearing in Arrow:

Upcoming characters

 * Matthew Shrieve

Notes:


 * 1) Even though Laurel is the actual version of Black Canary in Arrow, Sara Lance/The Canary, who is in part an original character specifically created for the show, is also based on the same character.
 * 2) Even though Malcolm is the actual version of Merlyn in Arrow, Tommy Merlyn, who is in part an original character specifically created for the show, is also based on the same character.
 * 3) Both characters of The Count and Werner Zytle are based in part on the same DC comic book character, Count Vertigo.
 * 4) In the comics, Isabel is also known as The Queen. Ravager, which is the name she is informally given on the show, is the alter ego of several comic book character, most of them related to Slade Wilson. The latest to don the moniker of Ravager is Slade's daughter, Rose Wilson, whose costume was the inspiration for Isabel's costume on the show.
 * 5) Sebastian's parents are both based on comic book characters as well. Sebastian Sangre is based in part on Sebastian Blood VIII who is the father of Sebastian Blood IX. Sangre means blood in Spanish. Maya Resik is based in part on Mother Mayhem. Both women who adopted the title, Anna Resik and May Bennett, were mothers of different Sebastian Bloods.
 * 6) Sin's real first name on the show has been revealed to be Cindy with her last name being still unknown. In the comics, her name is Cynthia and she got the surname "Lance" after she got adopted by Black Canary.
 * 7) In the comics, even though his first name is unknown, he is based on a character known as Master Jansen who first appeared in Flash #218.

The Flash
Characters first appearing in The Flash:

Upcoming characters

 * Hartley Rathaway
 * Martin Stein
 * Shawna Baez *
 * Mark Mardon/The Weather Wizard (untitled fifteenth episode)
 * Lisa Snart
 * Dante Ramon
 * James Jesse/The Trickster (untitled seventeenth episode)
 * Axel Walker (untitled seventeenth episode)

Notes:


 * 1) Even though the currently unnamed man is the actual version of Reverse-Flash in The Flash, Eddie Thawne, is considered to be partly based on the character as well, as his name is similar to Reverse Flash's alter ego, Eobard Thawne.
 * 2) Even though the character originates from the comics, his last name was never revealed, as he was only known by his first name or his alias. Unlike the comics, on the show he is given a last name as well, Gibran.
 * 3) In the comics, Baez is also known as Peek-A-Boo. Her first name is actually Lashawn but it was changed to Shawna for the show.

Vixen
Characters first appearing in Vixen:

Upcoming characters

 * Mari McCabe/Vixen (untitled first episode)