What is purple guy?

Purple Guy is a fictional character from the Five Nights at Freddy's franchise. He is also known by his real name, William Afton. He is depicted as an antagonist and a recurring character throughout the series. In the game's timeline, he was the one responsible for creating the animatronics that would eventually become the main source of terror in the series. He was also responsible for the murders of various children, which led to their spirits being trapped within the animatronics. Purple Guy's appearance consists of a purple-colored, spring-lock suit and a black bowtie. His character has become a significant part of the Five Nights at Freddy's lore and has inspired numerous fan theories and analysis.