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Name: Unknown
Identity Status: Secret
Aliases: Clown Prince of Crime
Harlequin of Hate
Public Enemy #1
Jack Napier
Mr. Rekoj
Nemesis of The Knight
The Bandit
Mr Face Paint <br< Patient 0
Patient 223
Red Hood
Joe White
Jocund Jack of
Jocund Jack of All Crimes
Eric Border
Oberon Sexton
Red Hood One
The Clown at Midnight
Joseph Kerr
The Pale Man
Ivar Loxias
Liam Distal
Jerome Valeska
John Doe
Arthur Fleck

Nationality: American
Maritual Status: Single
Occupation: Professional Criminal
Last Known Residence:
Gotham City
The Joker, Clown Prince of Crime, is Batman's arch-nemesis. An agent of chaos known for his malicious plots, wacky gadgets and insidious smile, he has caused Batman more suffering than any other villain he has ever faced. His origin, name, and true motivations remain a mystery.


- Bill Finger
Bob Kane
Jerry Robinson

First Appearance:
- Batman #1 - The Legend of the Batman: Who He Is and How He Came To Be; The Joker



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