William Afton is a fictional character from the video game series Five Nights at Freddy's. He is known as the main antagonist and is often associated with the creation of the animatronic characters that populate the series. Afton is depicted as a complex figure, involved in various sinister activities, including the tragic events surrounding the disappearance of children. In the lore of Five Nights at Freddy's, Afton operates under the guise of Springtrap, a malfunctioning animatronic that houses his spirit. His actions have led to a series of hauntings and mysteries within the franchise, making him a central figure in the overarching narrative of the games.