[[Batman|Batman's]] archnemesis and the main antagonist of [[DC comics]]' [i][[batman (series)|Batman]][/i] 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 [i]Batman[/i] #1 (April 25, 1940).

h4. Notable Incarnations
* The Joker ([[Batman: the Animated Series]]) - The Joker as portrayed in the DC Animated Universe
* [[Arthur Fleck]] - Civilian identity in the [i][[joker (2019)|JOKER]][/i] continuity
* [[Jerome Valeska]] and [[Jerimiah Valeska]] - Civilian identities in the [i][[Gotham (series)]][/i] continuity
ジョーカー(バットマン) ジョーカー