Freddy: I am pregnante.
Chica: we all are
Foxy: I'm gonna die
Bonnie: *in office moan*
Mike: Yr just animatronics. YOU won't get hurt!
All: *have babies*
Freddy's baby: LALALA IM TOY FREDDY

And that is how the toys came to be. ;)and how the old animatronics broke.