A character sheet for characters appearing within the Batman: Arkham Series. Now divided into separate pages:
- Batfamilynote Tim Drake/Robin, Dick Grayson/Nightwing, Oracle/Barbara Gordon, Jason Todd/Red Hood, Alfred Pennyworth, Lucius Fox, Others
- Rogues Gallery:note Organized by originating media
- Arkham Asylumnote Bane, Clayface, Harley Quinn, Killer Croc, Poison Ivy, Scarface, Victor Zsasz
- Arkham Citynote The Abramovici Twins, Black Mask, Calendar Man, Catwoman, Deadshot, Hugo Strange, Identity Thief (Hush), Mister Freeze, Mad Hatter, Penguin, Ra's al Ghul, League of Assassins, Solomon Grundy, Talia al Ghul, Two-Face, TYGER
- Arkham Originsnote Anarky, Bird, Candy, Copperhead, Deathstroke, The Electrocutioner, Firefly, Ricky "Loose Lips" LeBlanc, Shiva, Tracey Buxton
- Arkham Knightnote Arkham Knight, The Militia, Deacon Blackfire, Man-Bat, Professor Pyg, Dollotrons, Nyssa Raatko, Henry Adams, Christina Bell, Johnny Charisma, Albert King
- Miscellaneous Foesnote Miscellaneous members of the Rogues Gallery who appear in the spin-off media related to the Arkham series or are otherwise significant, and significant henchmen to the main rogues who appear throughout the series.
- Arkham Staffnote Professor Hugo Strange, Dr. Penelope Young, Dr. Gretchen Whistler, Dr. Sarah Cassidy, Dr. Stacy Baker, Medic Adam Hamasaki, Aaron Cash, Frank Boles, Eddie Burlow, William North, Anne Bishop
- Gotham Citizensnote Commissioner James Gordon, Harvey Bullock, Branden, Gillian B. Loeb, Officer Owens, Mayor Quincy Sharp/Spirit of Arkham, Jack Ryder, Cyrus Pinkney, Vicki Vale, Michael Lane/Azrael, Nora Fries, Warden Martin Joseph, Ferris Boyle, Carmine Falcone, Alberto Falcone, Simon Stagg, Alex Sartorius, Fire Chief Raymond Underhill, Amanda Waller, Rick Flag, Lex Luthor, Warden Ranken
- Justice Leaguenote Superman, Batman, Wonder Woman, The Flash, Green Lantern
