Creator
Jack Kirby
Bill Finger, Bob Kane, Jerry Robinson
Universe
New earth
New earth
Publisher
DC comics
DC comics
In Comics
The Demon #1 - The Origin of the Demon
Batman #1 (Spring 1940)
Citizenship
Unknown
American
Marital Status
Single
Widowed
Base
Hell
Arkham Asylum, Gotham City; Ha-Hacienda
Relatives
Not Available
Jeannie (wife, deceased); Unborn son (deceased); Melvin Reipan (cousin, deceased)