Religion: not determined yet
Name: Jack
Classification: supporting character
First Appearance: The Joker #2 (July 1975): "The Sad Saga of Willy the Weeper!"
Creators: Denny O'Neil, Irv Novick, Jose Luis Garcia-Lopez
Number of Appearances: 1
Location: Gotham City, USA
Gender: male
Suggested links for further research about this character:
- http://www.comics-db.com/comic-book/1004928-Joker_2.html
- https://www.comics.org/issue/28740/