Springtrap

Springtrap (aka William Afton) is an animatronic hybrid-suit that acts as the overall antagonist of the FNAF series and the central antagonist of FNAF 3.

William Afton
Originally known as William Afton, he was known as the co-founder of the Fazbear Franchise with his partner Henry Emily. Afton proved to be exceptionally gifted and skilled in engineering, robotics and various kinds of programming, with even Henry, with his own advanced skills, was admittedly impressed by. With his wife passed, he was left to look over his three children - Cassidy, Michael and Elizabeth. While Henry mainly took over the business of Fredbear's Family Diner and later Freddy Fazbear's Pizza, William honed his skills to develop various highly advanced models of animatronics, namely the Funtime Animatronics. However, tragedy struck when Michael, who bullied the small and fearful Cassidy, pulled a prank on his brother with his friends that resulted in him mortally wounding him, leading to his death. In the throes of tragedy, William went mad, leading him to abuse and mistreat Michael. In a blind rage, William killed Henry's daughter Emily when she was locked outside by some bullies. It was then that William discovered the wondrous and horrible power of Essence, and how he could use that to infuse life into his machines with the use of his animatronics.

William began tinkering with some of the