Mystique

Mystique, also known as Raven Darkholme, is a mutant with the ability to alter her appearance and voice to perfectly imitate others. Her natural form is distinguished by blue skin and yellow eyes. She has been involved with various mutant factions, often taking on leadership roles and operating in morally ambiguous ways. Mystique is connected to several key figures in the mutant community, including being the mother of Nightcrawler and the adoptive mother of Rogue.