WASD for poses 1 = William Afton 2 = William (Midnight) 3 = William (You can't) 4 = Springtrap 5 = RWQ 6 = Matpat Press space to switch forms. 7 = Scott 8 = Fazbars 9 = Old Man Consequences
Credit to Funkipedia for all the assets. Sorry for Mapat's 8-bit form asset glitch.
