User blog comment:Tyrannosaurus dude11/FNaF4 bite blog./@comment-25871149-20151014001021

Honestly, I don't know why people believe the bite of 83 exists because it doesn't. Just because the TV says Fredbear and Friends was made/takes place in 1983 doesn't automatically make the bite happen in exactly 1983.

Bite of 87 is the only existing bite in the damn series. 'Nuff said.