Spell the X-Man #1

Below are the pictures of several Marvel characters who have all either been a member of the X-Men or are otherwise related to the X-Men. Name each character. Once you have named each pictured character, the first letters of each character's name will spell the name of a mystery character (who has at some point been a member of the X-Men). Supply the names of all the pictured characters as well as the mystery character in order to complete the quiz.