Real Name: Unknown
Location: Gotham City
First Appearance: Batman #1 (1940)
Created By: Bill Finger, Bob Kane, and Jerry Robinson
Publisher: DC Comics
Currently Seen In:
Batman, Detective Comics
Archenemies:The insane Joker and Batman have been bitter enemies for quite some time. The Joker doesn't just want to kill Batman, he wants to make everyone associated with him suffer, if its funny, that is.