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Henry McCoy was a twisted, murderous, inhumane, and sadistic genius without Charles Xavier’s guidance and membership in the X-Men. When Apocalypse took over America, McCoy became one of his most valuable geneticists, completely devoted to creating the fittest beings. McCoy’s genius was second only to Sinister, one of Apocalypse’s Horsemen. McCoy experimented on numerous mutants, notably Blink. He created the Infinite Soldiers, turned Jamie Madrox into the Madri, created the creature known as Wolverine, and created the armor for the crippled Nemesis which earned the villain the name Holocaust.

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