Character
Tim Drake, Deathstroke, Ratcatcher (Cameo), Dr. Leslie Thompkins (Flashback), Penguin, Batman (Also Appears As Knute Brody), Renee Montoya, Straightman (Carl Finley), Magpie (Cameo), Batman (Bruce Wayne), Ventriloquist (Arnold Wesker), Walrus (Cameo), Joker, Dr. Leslie Thompkins, Mayor Hamilton Hill, Mad Hatter (Cameo), Mr. Freeze, Dr. Joan Leland, Condiment King (Cameo), Killer Croc (Flashback), Carpenter (Cameo), Deadshot (Cameo), Scarface (Cameo Flashback), Harvey Bullock (Cameo), Batgirl (Also Appears As Barbara Gordon), Batgirl (Barbara Gordon) (Flashback), Roxy Rocket, Baby-Doll (Cameo), Clayface, Batman (Also Appears As Bruce Wayne), Kite-Man (Cameo), Mercy Graves, Azrael, Lex Luthor, Renee Montoya (Cameo), James Gordon, Poison Ivy, Alfred Pennyworth (Cameo), Sunny, Veronica Vreeland, Roxy Rocket (Cameo), Danny Todd (Flashback), White Rabbit, Mr. Wing, Carpenter, Firefly (Sunny), Bane, Firefly, March Harriet (Cameo), Clock King (Cameo), Scarecrow (Cameo), Sid the Squid (Flashback), Harley Quinn (Flashback), Captain Boomerang (Cameo), Joker (Flashback), Wonderland Gang Mad Hatter, Alfred Pennyworth, Catwoman, Jason Todd (Identity Revealed in Issue #5), Also As Robin in Flashback, Superman (Clark Kent), Straightman, Tim Drake (Does Not Appear As Robin), Wolves Alpha, Robin (Tim Drake), Harvey Bullock, Robin (Also Appears As Tim Drake), Joker (Cameo), Harley Quinn (Cameo Flashback), Harley Quinn, Red Hood Jason Todd, Walrus, Scarecrow (Flashback), Firefly (Flashback), Robin (Jason Todd) (Flashback), Ventriloquist (Cameo Flashback), Red Hood, Commissioner James Gordon (Cameo), Scarface, King Shark (Cameo), Batgirl (Barbara Gordon)
