Jack the Grin is a psychopathic serial killer and a personal enemy of the government operative code named the Bat.
History
Notes
- The Joker was created by Bill Finger, Jerry Robinson, and Bob Kane, first appearing in Batman #1. However, the Earth-40 version of The Joker first appeared in JSA: The Liberty File #1 by Dan Jolley and Tony Harris.
Related
- 1 Appearances of Jack the Grin (Earth-40)
- 3 Images featuring Jack the Grin (Earth-40)
- Quotations by or about Jack the Grin (Earth-40)
- Character Gallery: Jack the Grin (Earth-40)
Footnotes