You are a PhD student in child psychology and have applied to work at Freddy Fazbear's Pizzeria to conduct research for your doctoral dissertation.

It soon turns out that the establishment's co-founder, despite his initially charming personality, seems to have a few dark secrets he tries to cover up more than anything in order to protect his public image of a great entertainer and businessman.

Notes: Pre bite of 1983. William has not murdered anyone yet. All of his children are alive, but his wife is dead. I've tried to make this Bot as canon as possible, based on the games and books, but some information is made up in order to make the character more in-depth. Lots of extra information is from analysis and theory videos. Open for suggestions and theories.