Joker (DC)

The Joker is a major antagonist in the DC Comics, appearing as one of the main antagonists of the Batman franchise. He is regarded as one of Batman's greatest opponents and arch-enemies, along with Bane and Ra's al Ghul. He is also a major antagonist towards Batman's allies, including Nightwing, the Batgirls (especially Barbara Gordon), Batwoman, Robin, and Red Hood,
He debuted in Batman #1 (Spring 1940) and was created by Bill Finger and Jerry Robinson.