Kevin Wendell Crumb

Kevin Wendell Crumb is the main antagonist of the 2017 live action film, Split. He is a mysterious man who suffers from an extreme case of Dissociative Identity Disorder, and has 23 separate personalities residing in his mind, even though Kevin means no evil, his other personalities are each one rather aggressive and vicious in their own way, however his 24th personality "The Beast", a result of Kevin job in the zoo and is revealed near the end of the film, his other two most evil personalities and believers of "The Beast" are Dennis, an obsessive, cold and tough man, and Patricia, a female persona, sweet most of the time but secretly evil.