Pyro (St. John Allerdyce) is a fiction character in Marvel Comics and an enemy of the X-Men. Created by writer Chris Claremont and artist/co-writer John Byrne, he first appeared in Uncanny X-Men #141 (January 1981).
In X2: X-Men United, and X-Men: The Last Stand, Pyro was played by Aaron Stanford.
Born in Sydney, Australia, Pyro is a mutant who possesses the power to psionically control fire and flame, though not generate it. He wears a flame thrower on his back to provide the flame which he then takes control of. His ability to manipulate flame emerged in his teens, but he was unable to find a practical use for it. After years of working in Southeast Asia as a journalist and novelist, Pyro met the mutant Mystique, who later recruited him to the Brotherhood of Evil Mutants as a professional criminal and subversive. With the Brotherhood of Evil Mutants, he attempted to assassinate Senator Robert Kelly, and first battled the X-Men. With the Brotherhood, he later battled the Avengers, and then the X-Men again. Though he never served under the team's original leader, Magneto, Pyro did work with the Brotherhood under the command of several of Magneto's subordinates who alternately supervised the group.
Mystique's Brotherhood later offered the team's services to the United States government in exchange for protection and an official pardon for its crimes, and was renamed Freedom Force. As part of their first mission, the team captured Magneto. With Freedom Force, he next captured the Avengers on behalf of the federal government. Later, he clashed with the original X-Factor in seeking to arrest Rusty Collins. With Freedom Force, he fought the X-Men in Dallas, and was present at the X-Men's apparent demise. With Freedom Force, he battled Cyclops and Marvel Girl, sought to arrest Rusty Collins again, battled the New Mutants, and finally arrested both Rusty and Skids. He later teamed with Blob and Avalanche against the Avengers during the "Acts of Vengeance".
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