Pencipta
Dave Cockrum, Len Wein
Chris Claremont, John Byrne, Stan Lee, Steve Ditko
Mendasarkan
(Saat ini) Profesor Charles Xaviers Institute for Higher Learning, Salem Pusat, Westchester County, New York (mantan) Muir Isle, Skotlandia ,; loteng di Soho, Manhattan, Ust-Ordynski Kolektif, Danau Baikal, Siberia, Uni Soviet, X-Men Markas di Austra
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