Villains Main Antagonists Joker | Hugo Strange | Ra's al Ghul | Scarecrow Secondary Antagonists Harley Quinn | Poison Ivy | Killer Croc | Riddler | Clayface | Penguin | Mr. Freeze | Two-Face | Bane | Firefly | Black Mask | Ferris Boyle | Deathstroke | Simon Stagg | Arkham Knight Other Antagonists Quincy Sharp | Victor Zsasz | Frank Boles | Razor | Dr. Penelope Young | Catwoman | Mister Hammer | Sickle | Solomon Grundy | Azrael | Deadshot | Hush | Mad Hatter | Calendar Man | Electrocutioner | Copperhead | Lady Shiva | Commissioner Loeb | Howard Branden | Ricky "Loose Lips" LeBlanc | Tracey Buxton | Candy | Alberto Falcone | Anarky | Bird | Henry Adams | Christina Bell | Johnny Charisma | Albert King | Professor Pyg | Man-Bat | Deacon Blackfire | JT Wicker | Warden Ranken | Nyssa Raatko Groups and Gangs Joker's Gang | Thugs | Lunatic Inmates | TYGER | League of Assassins | Penguin's Gang | Two-Face's Gang | Riddler Thugs | Harley's Gang | Black Mask's Gang | Bane's Militia | Anarky's Gang | Arkham Knight's Militia | Riddlerbots | Dollotrons | Blackfire's Cult | Scarecrow's Gang | Iron Heights Prisoners Community content is available under CC-BY-SA unless otherwise noted.
