CharacterBlack Mask (cameo), Penguin, Mr. Happy (David Hill) (villain), Starling (cameo), Hypnotic (villain), Natalya (hallucination), Mr. Hansen, Batman (Bruce Wayne), Sumo (cameo), Black Mask (Roman Sionis) (cameo, villain), Baker (Annie McCloud) (first appearance, villain), Ms. Bird (villain), Damian Wayne (Robin), League of Smiles (Baker (Annie McCloud) (villain), Penguin (Oswald Cobblepot) (Villain), Professor Pigg (cameo), Martin (villain, death), Anya Volkova, Ms. Gannet (villain), Rodney the Torch (Rodney Spurman) (first appearance, villain, quits team)), Merrymaker (Dr. Byron Merideth) (villain)), Dr. Harleen Quinzel, Ogilvy, Katana (cameo), Ogilvy (villain), James Gordon, Mr. Happy (David Hill) (first appearance, villain), Die Laughing (first appearance, villains), Batgirl (cameo), Clayface (Basil Karlo) (Villain), Poison Ivy (Pamela Isley) (Villain), Aaron Cash, Mister Mosaic (villain), League of Smiles (first appearance) (Merrymaker (Byron Merideth) (first appearance, villain), Dane Butler (villain), Alfred Pennyworth, The Dentist (Philip Miles) (first appearance, villain), Punchline (duo, first appearance, villains), Mr. Freeze (cameo), Ghost Dragons (Mr. Li (villain)), Philip Miles (villain), Ms. Finch (villain), Merrymaker (Dr. Byron Meredith)), Batman (Cameo), Harvey Bullock, Mr. Zsasz (Victor Zsasz) (villain), Mister Combustible (villain), Ghost Dragon (villain), Emperor Penguin (Ignatius Ogilvy) (villain), League of Smiles (Annie McCloud (villain), Officer Johnson, The Dentist (Philip Miles) (villain), Mrs. Meredith, Professor Pyg (Lazlo Valentin) (villain), Imperceptible Man, Great White (Warren White) (cameo, villain), Daniel David Fisher (villain), Black Canary (Cameo), Nightwing (Dick Grayson), Mister Foschini (villain, death), Joker (Villain), Mister Happy (David Hill) (villain), Mr. Zsasz (Victor Zsasz) (flashback, villain)
Series TitleBatman-Detective Comics