FNAF hoaxes
Sparky the dog

earliest known date: august 19th 2014
status: fully solved (creator found)
bio: created by tumblr user blrdnames during the early years of FNAF 1, Sparky is a dog animatronic that shows up on the backstage security camera peeking from the door, he is considered the first major hoax of the community.
Purple guy

earliest known date: november 16th 2014
status: fully solved
bio: created by twitter user RoXo1987 during the release of FNAF 2, based off of the pixel sprite of the purple guy in the FNAF 2 minigames.
cam 07 Shadow man

placeholder yellow bear
earliest known date: november 18th 2014
status: fully solved
bio: a video was posted to youtube that helped spread the rumour of a shadow man appearing on cam 07 in FNAF 2 that also caused the phone guy's message to glitch, although the original creator stated the video to be edited it still led many to claim that this shadow man was real.