History of character has not yet been written.
- Hand-to-Hand Combat (Basic)
- Multilingualism: Joker can speak his native language English and French 
- Joker's Submarine
- This version of the character is exclusive to the continuity of the television series Harley Quinn and is an adaptation of the Joker. The original character was created by Jerry Robinson, Bob Kane, and Bill Finger and first appeared in Batman #1.
- The Joker is voiced by Alan Tudyk.
- Joker is 25 years old. 
- 10 Appearances of Joker (Harley Quinn TV Series)
- 1 Images featuring Joker (Harley Quinn TV Series)
- 2 Quotations by or about Joker (Harley Quinn TV Series)
- Character Gallery: Joker (Harley Quinn TV Series)
This character is or was primarily an enemy of the Justice League, in any of its various incarnations. This template will categorize articles that include it into the category "Justice League Villains."
Legion of Doom member