Arkham Asylumnote Bane, Clayface, Harley Quinn, Killer Croc, Poison Ivy, The Riddler, 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 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
Alternative Title(s):Batman Arkham Asylum, Batman Arkham City, Batman Arkham Origins, Batman Arkham Unhinged, Batman Arkham Origins Blackgate, Batman Arkham Knight, Batman Assault On Arkham, Batman Arkham VR, Batman Arkham Underworld, Suicide Squad Kill The Justice League