Chica holding cupcake in wrong hand is reference to Fnaf world chica holding a cupcake in wrong position.

Bonnie’s new guitar is reference to help wanted guitar,also bonnie guitar straps are reference to rockstar bonnie having a guitar straps

Red eyes is reference to help wanted when you Ddrop the music box and angered freddy

Animatronics being friendly are reference to theory/meme that foxy being good guy

Bonnie’s blue colors are referencing virtual Bonnie’s color.