Here I'm going to explain the true tale of FNAF:
1951(Probably) Fredbears family diner, as explained in the mini-games Freddy is giving cake to the children while a single sad child is standing outside. A purple car stops next to him, a purple man exits the car, murders the child and drives away. The child, after he's dead has tear stains like the marionette(puppet), also after the mini-game the marionette jumps at you, so my believe is that the first child killed possessed the marionette. The murder forces to the original owner to sell of to a company called Fazbear Entertainment but that doesn't stop the purple man with his life sentence of murdering children at Freddy's. As we found out by the newspaper clippings, the same guy that killed the first child took golden Freddy's suit, threw his endoskeleton into the marionettes gift-box, dresses up as Freddy, lures 5 children in the back room and kills them! And the police says they caught the killer but the bodies are never found. And thanks to another of the mini-games we found out what happened. One of the mini-games has you playing as Foxy the pirate, you run twice from the pirate cove to meet the children but the 3th time you see the purple man smiling at you and after entering the room you see 5 dead children. The next one that helps us is 'Give gifts, give life' mini-game where you play as the puppet and approach 4 dead children and give them gifts, after that the scoreboard says Give Life, you approach the children and transfer their souls in the animatronics(as seen in the song). As I said the bodies are never found presumably because they were stuffed into the robotic suits. The new restaurant stays open a few months until dead body stings starts to waft off the robots, and then it's shut down for health reasons. What started as a haunted puppet ends up as an army of possessed robots. The restaurant is reopened again, the new animatronics are equipped with facial recognition system which is connected to a murderer/s** offender data base, because the last restaurant is closed for kids being killed in it. The last mini-game has you playing as Freddy, you chase the puppet through a replica of the new restaurant and on very rare occasion the same purple man starts chasing you and when he gets you your screen crashes. I believe that mini-game takes place before night 1 where Fritz Smith hacks the animatronics A. I system like in night 7. Well there's a popular theory that the purple man is the phone guy, but he got caught and fired, unless the purple guy/Fritz Smith is somebody working for the original killer/ phone guy and maybe phone guy has a howl gang of people like this. On night 5 it's mentioned that somebody used the golden Freddy suit once again, and the guilty party is the former night guard - fritz smith. Then the bite of 87' happened where an animatronic bit a person so hard that he cracked open his head. I can't connect it with my story but there's still fnaf 1. Actually I can, he hacked the animatronics they went wild and started biting around. But not important. Ok FNAF 1, we know the new robots got scraped but the ghostly guy puppet should still be around. And he is! There's 3 main pieces of evidence that support this: The drawing in your office has Bonnie coming out of a gift like marionettes one, 2nd sometimes you can see crying children posters in the east hall(i forgot to mention the restaurant was once again reopened in 1993), and the visions at the end of nights in FNAF 2 are from FNAF 1's establishment and on 5th night you can see the puppet staring you down! Thanks for reading.