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Mutant

Mutant

Marvel Comics
In American comic books published by Marvel Comics, a mutant is a human being that possesses a genetic trait called the X-gene. It causes the mutant to develop superhuman powers that manifest at puberty. Human mutants are sometimes referred to as... Wikipedia
Highest level: Omega-level mutant
Created by: Stan Lee; Jack Kirby
First appearance: X-Men #1 (September 1963)
Place of origin: Earth