Foolkiller
Fictional character
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The Foolkiller is the name of four fictional characters, vigilantes appearing in American comic books published by Marvel Comics, consisting of Ross G. Everbest, Greg Salinger, and Kurt Gerhardt in the primary continuity Marvel Universe, and Mike... Wikipedia
Creators: Steve Gerber, Val Mayerik, Jim Mooney, and more
Abilities: Wields "purification gun" capable of firing a disintegrating ray