The Joker is a DC Comics supervillain.
The Joker is a fictional supervillain created by Bill Finger , Bob Kane , and Jerry Robinson who first appeared in the debut issue of the comic book Batman ( April 25 , 1940 ) published by DC Comics . The Joker is a fictional supervillain from American comic book publisher DC Comics and the main antagonist in Christopher Nolan 's 2008 superhero film The Dark Knight .