The Puppet is one of the more important characters in the entire FNaF franchise. The Puppet is the driving force and the reason that many of the animatronics are haunted. Unlike most of the animatronics, the Puppet is madeĀ
The Puppet is believed to be one of the earliest murders committed by William Afton, as seen in both 2 and FFPS.
In FNaF 2, the "Take Cake to the Children" minigame shows a kid crying outside of the pizzeria (possibly Fredbear's Family Diner) with hte words "SAVEHIM" being spelled out. Eventually, a purple car shows up and William steps out, then the kid's tears eventually get bigger until they turn into a gray being with dark tear marks. The Puppet's jumpscare is then trigger.
This is reshown in more detail in FFPS. The Security Puppet minigame shows that there is an "assigned child" that should not reach the exit. The child in question wears a green bracelet. Later you find that the other kids put boxes over the Puppet's area and apparently locked the "assigned child" out of the pizzeria. This explains why the Puppet child was outside. Upon getting out, the Puppet tries to save the child, but it was too late that this child was killed. The Puppet then collapses next to the child, allowing the kid to possess it.
In FNaF 2, this child is said to be a male (SAVEHIM), but in FFPS, it's said to he the daughter of Cassette Man. This is the only blatantly confirmed retcon in the entire series.
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