Cain Marko, stepbrother to Charles Xavier, found the Crimson Gem of Cyttorak while serving as a mercenary in Korea. The strange powers of this gem gifted Cain with immense physical strength and durability, as well as a mystical force field that allows him not only to deflect attacks with ease, but put himself into unstoppable motion. Known as the Juggernaut, Cain has been both villain and hero, even joining Professor Xavier's X-men on occasion.
Sister of Captain Britain, Betsy Braddock is the psychic X-Man known as Psylocke. Originally just a telepath, Betsy ended up switching bodies with a deadly assassin that allowed her to become the psychic ninja she is today. Psylocke uses her telekinetic powers to manifest a "Psi-Knife" and her trained ninja skills to slip into the shadows and cut enemies down with her martial arts and katana skills.