Batman's archnemesis and the main antagonist of DC comics' Batman series and movies. A maniacal clown with green hair, bleached skin and a grotesque grin, Joker is a brilliant criminal mastermind and expert chemist who specializes in weaponized props and toxins. He is also a murderous psychopath with a horrific sense of humor and a pathological obsession with Batman.
The Joker is created by the late Bob Kane, the late Bill Finger, and the late Jerry Robinson and first appeared in Batman #1 (April 25, 1940).
- The Joker (Batman: the Animated Series) - The Joker as portrayed in the DC Animated Universe
- Arthur Fleck - Civilian identity in the JOKER continuity
- Jerome Valeska and Jerimiah Valeska - Civilian identities in the Gotham (series) continuity