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, The 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 Brainiac, The Broker, Bronze Tiger, The Carpenter, Count Vertigo, Crazy Quilt, Great White Shark, Humpty Dumpty, Killer Moth, Maxie Zeus, Professor Milo, Prometheus, Ratcatcher, Tweedledum, Tweedledee, Tweedledie, Toyman (Origins), Electrocutioner II, Kid Shark, The Ventriloquist, Henchmen, Trask Twins, Black Spider, KGBeast, Killer Frost, King Shark (Assault On Arkham), Robert Haines, Chucky Berks, Qing Lu, Officer John DeMarco, Andrew Carter, Ian Chase
- 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, Warden Ranken
- Metropolis Citizensnote Lois Lane, Lex Luthor, Toy Man
- ARGUS and Task Force Xnote Amanda Waller, Rick Flag, Hack, Gizmo, Deadshot, King Shark, Captain Boomerang, The Joker
- Justice Leaguenote Superman, Batman, Wonder Woman, The Flash, Green Lantern
- Miscellaneous Charactersnote Aquaman, Green Arrow, Zatanna, Gorilla Grodd, Starro