Five Nights at Freddy's - In the end, the real monsters... are the humans.

Wait a second…

>bullies main/kill a young boy
>purple guy notices
>kills the bullies
>stuffs the bodies into the respective suits
>the bullies are possessing the main 4
>purple guy is technically not a cold hearted murderer
>he's not the villian
>he never was

It should be noted that the Bite of 87 happened after most of the kids were already murdered so them being the same kids is unlikely