History
Through his social connections, Charles Xavier had made deals with both Jason Wyngarde, mastermind of a crime syndicate, and Shiro Yoshida, the chief of police in order to get his way.[1]
Attributes
Powers
Illusions: Mastermind is a mutant with the ability to cast illusions. He could psionically cause other people to see, hear, touch, smell, and/or taste things which did not actually exist.