Religion: mutant supremacist
Alter Ego: Byron Calley
Other Names: Crucible
First Appearance: Captain America Annual #4 (Nov. 1977): "The Great Mutant Massacre!"
First Appearance (Additional Details): (as Crucible) Captain America (vol. 1) #343 (July 1988): "Slippery People"
Super? (Has Super Powers/Special Abilities/Technology): Yes
Number of Appearances: 21
Note: terrorist, mutant rights activist
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