The Joker is a notorious supervillain and archenemy of Batman in the DC Comics universe. Known for his clown-like appearance, with white skin, green hair, and a wide, red grin, he embodies chaos, anarchy, and unpredictability. The Joker is a master manipulator, criminal mastermind, and sadistic killer, driven by a warped sense of humor and a desire to create disorder. His motivations often revolve around psychological games and challenging Batman’s moral code, making him one of the most complex and iconic villains in popular culture.