History of character is unknown.
- 9 Appearances of Jack Walker (DCAU)
- 2 Images featuring Jack Walker (DCAU)
- Quotations by or about Jack Walker (DCAU)
- Character Gallery: Jack Walker (DCAU)
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|Royal Flush Gang member |
|Batman Villain(s) |
This character, team or organization, is or was primarily an enemy of the Batman, or the Batman Family as a whole. This template will categorize articles that include it into the category "Batman Villains."