Gotham City

Characters: Batman,Robin,Batgirl,Nightwing,Damian Wayne. villains: Joker, Harley Quinn,Poison Ivy,Two-Face,Penguin,Catwoman,Clayface,Riddler,Killer Croc,Bane,Scarecrow,Killer Moth,Man-Bat,Mad Hatter,Mr Freeze,Ra's al Ghul,Talia al Ghul,Carmine Falcone,Deathstroke,add more gotham villains i didnt list. others: Commissioner Gordon,Officer Cash,Detective Bullock,Jack Ryder,Vicki Vale,Vivian Vale(1 of my custom characters she is vicki's sister who also does what vicki does),Commissioner Grogan(if you want him existing that means Jim has to be Lieutenant),Mayor Hill(that corrupt mayor from batman telltale series)