If you had a 3DS at some point, you'd probably know where this is from.

la la la la elmo's world

Nightmare GhostFace because yeh

Classic Animatronics as Withered Foxy (FNaF 2)

the neighbor from Hello Neighbor as a FNAF animatronic for some reason (i'm sorry)

Molten Freddy (FNaF 2)

https://youtu.be/c1egC1znK6k

Nightmare Stitch

Nightmare Kirby

Vanny in FNaF 3

https://youtu.be/1mFAaxoF6Zg

animatronic riolu