Answer: no it does not
Explanation: ok, I have played fnaf ever since 2014, it is believed that the bite of 87 could have been causes by Foxy or The Mangle, it is believed that Foxy did it based on how he is out of order and kind of jacked up in the first game and some of his teeth are missing, it is also believed that The Mangle could have caused the bite because her jaw hangs open but he also emits recording from a radio belonging to a police officer explaining that a kid was bit and his or her frontal lobe is missing, im smart