User blog comment:Johnnybravo44/Comicvine makes me laugh/@comment-3232065-20101127180655/@comment-1671874-20101127185749

Yes, Gambit is a mutant, although Mr. Sinister is not. Personally, I think Gambit was first meant to be the "3rd Summers Brother", but that never worked out. And then Adam-X came along and seemed perfect, until that never worked out. Years later, Vulcan.