Eclipso vs Mister Sinister Facts
Creator
Bob Haney, Lee Elias
Chris Claremont, Marc Silvestri
Universe
Earth-One, New Earth
Earth-616
Publisher
DC
Marvel comics
In Comics
House of Secrets #61 - Doctor-7, King Of The Supernatural / Eclipso, The Genius Who Fought Himself
Uncanny X-Men #221 (September, 1987)
Citizenship
Unknown
British
Marital Status
Single
Widowed
Occupation
Not Available
Geneticist, Criminal, biologist and mutant-supremacist
Base
Not Available
Many bases throughout the world including his State Home for Foundlings and the Center for Homo Superior Medical Care.
Relatives
Not Available
Not Available