History of character has not yet been written.
- This version of Gentleman Killer, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 2 Appearances of Rudolph Hessenpfeffer (Earth-Two)
- 1 Images featuring Rudolph Hessenpfeffer (Earth-Two)
- Quotations by or about Rudolph Hessenpfeffer (Earth-Two)
- Character Gallery: Rudolph Hessenpfeffer (Earth-Two)
|Wonder Woman Villain(s)|
This character is or was primarily an enemy of Wonder Woman and the Amazons in any of her various incarnations. This template will categorize articles that include it into the "Wonder Woman Villains category."