X-treme X-Men

Christopher S. Claremont () is an American comic book writer and novelist. Claremont worked for 16 years on Uncanny X-Men from 1975 to 1991, longer than that of any other writer, during which he is credited with developing strong female characters as well as introducing complex literary themes into superhero narratives, turning the once underachieving comic into one of Marvel's most popular series. During his tenure, X-Men was the best-selling comic book in the world. During his tenure at Marvel, Claremont co-created dozens of X-Men characters. He wrote the stories "The Dark Phoenix Saga" and "Days of Future Past", on which he collaborated with John Byrne.