We don't have a biography for The Joker yet. Hang in there, or go ahead and contribute one.
Appearances
Superman: The Animated Series
Guest cast, played by Mark Hamill
- Episode 2x16: World's Finest (Oct 4, 1997)
- Episode 2x17: World's Finest Part II (Oct 4, 1997)
- Episode 2x18: World's Finest Part III (Oct 4, 1997)