Magneto is a fictional character appearing in American comic books published by Marvel Comics, commonly in association with the X-Men. Created by writer Stan Lee and artist Jack Kirby, the character first appears in The X-Men #1 (cover-dated Sept. 1963) as the archenemy of the X-Men.The character is a powerful "mutant", one of a fictional subspecies of humanity born with superhuman abilities, who has the ability to generate and control magnetic fields.