Arthur Jameson (Earth-Two)

Unknown X
Mainstream Universe‎, 1930s-1950s
Gallery
Real Name	Arthur Jameson
Main Alias	Unknown X
Base Of Operations	Metropolis
Status
Alignment	Bad
Characteristics
Gender	Male
Hair	Brown
Origin
Universe	Earth-Two
Creators	Jerry Siegel · Paul Cassidy
First Appearance	World's Finest #2 (June, 1941)
Last Appearance	World's Finest #2 (June, 1941)

Notes

• This version of Unknown X, 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.

Related

• 1 Appearances of Arthur Jameson (Earth-Two)
• 1 Images featuring Arthur Jameson (Earth-Two)
• Quotations by or about Arthur Jameson (Earth-Two)
• Character Gallery: Arthur Jameson (Earth-Two)

Footnotes

Superman Villain(s) This character is or was primarily an enemy of Superman in any of his various incarnations, or members of the Superman Family. This template will categorize articles that include it into the "Superman Villains category."