Mister Sinister vs Mephisto Facts
Creator
Chris Claremont, Marc Silvestri
Stan Lee
Universe
Earth-616
Earth-616
Publisher
Marvel comics
Marvel
In Comics
Uncanny X-Men #221 (September, 1987)
The Silver Surfer #3 - The Power And The Prize
Citizenship
British
Demons
Marital Status
Widowed
Single
Occupation
Geneticist, Criminal, biologist and mutant-supremacist
Lord of a realm of Hell
Base
Many bases throughout the world including his State Home for Foundlings and the Center for Homo Superior Medical Care.
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Relatives
Not Available
Not Available