Springtrap is the undead combination of William Afton and Spring Bonnie, and serves as the overarching main antagonist of the Five Nights at Freddy's horror video game series. In life, he was the killer responsible for the events of the Five Nights at Freddy's series. In his undead form, he appears in the games Five Nights at Freddy's 3 as the main antagonist, Five Nights at Freddy's 4 as a minor antagonist, Five Nights at Freddy's: Sister Location as a minor antagonist.
He is voiced by PJ Heywood, who was also the voice actor of Michael Afton.