Kevin Wendell Crumb aka The Horde is a sufferer of dissociative identity disorder (DID),
who has 23 prominent personalities, each with something peculiar or dangerous for his captives.
Kevin's body chemistry changes with each personality, resulting in his 24th and final personality, "The Beast",
being capable of superhuman levels of strength, speed, mobility (allowing him to scale walls and ceilings), and a voracious hunger for human flesh.
Kevin The Horde is portrayed by Scottish actor James McAvoy