Joker

The Joker is one of Batman's more complicated villains. He frequently pairs up with the Penguin.

Physical appearance
The Joker looks like an evil clown.

Season one
(The Dynamic Scooby-Doo Affair)

(The Caped Crusader Caper)

Appearances

 * The New Scooby-Doo Movies
 * The Dynamic Scooby-Doo Affair
 * The Caped Crusader Caper

Batman: The Brave and the Bold
(Bat-Mite Presents: Batman's Strangest Cases!)