Within the Spring Bonnie suit, William Afton is reanimated as Springtrap during the third game's events after 30 year
The Marionette
Were you perhaps looking for the suit that it is trapped inside, Lefty, its new counterpart, or its nightmare counterpart? The Marionette, mostly known as The Puppet, is the presumed main antagonist of Five Nights at Freddy's 2 and an antagonist in Freddy Fazbear's Pizzeria Simulator in the form of Lefty.
The change in temperature will be the original temperature plus or minus x, the change between a temp and b temp, to equal what the temperature is now.