William/Michael Afton (Also known as the  Purple Guy/Man or The Killer or The Murderer) is the main antagonist of the Five Nights at Freddy's series.

The Killer was a man who dressed up as one of the mascots at Freddy Fazbear's Pizza (theorized to be Golden Freddy or Springtrap) and used his kid-friendly disguise to lure five children into the back of the pizzeria. He then murdered them and left their bodies behind, only for them to be stuffed into the mascots' costumes (Freddy, Chica, Bonnie, Foxy, and Golden freddy ) by the Puppet. Someone was arrested the following day and charged, but his current status and influence on the game's events are unknown, while the killer was still free. The prequel states that the killer was a purple man (not a costume or suit) who is possibly one of the security guards.

Role in the franchise

A man who no one has ever seen or heard of emerged in Freddy Fazbear's Pizza with plans of death and chaos for the company simply for the sake of it. A man with no name or motives, a villain driven by a lust to create social disorder and desired nothing but anarchy to feed his sadistic appetites and morbid, dark sense of humor. 

One day, in Fredbear's Family Diner, as Freddy Fazbear was serving cake to the children, a child was crying outside for an unknown reason. As he cried, a man drove over in a purple car and murdered the child. Freddy could not protect the child, for if he was to venture outside the pizzeria he would be deactivated . With that, the man drove away leaving the child's corpse outside. The child, driven by revenge, possessed an animatronic a certain time after that, known as the Puppet. 

Years later Fredbear's Family Diner is sold out and Freddy Fazbear's Pizzeria opens only for the man to return. This time the man killed five children outside Pirate Cove causing it to be shut down.

Years later, the man returned to the pizzeria and found a yellow suit and lured six children to a quiet part of the building and murdered them.

Five Nights at Freddy's 4

The Killer can be seen in the mini-game of Night 4, presumably helping one of the employees put on the Spring-Bonnie suit then suddenly the door closes after helping him put it on.

Sister Location

In Five Nights at Freddy's: Sister Location, the company that created the main animatronics is his, called Afton Robotics. Revealing that his name is indeed William Afton. He is also heard at the intro of the game talking about the Circus Baby animatronic, where he is voiced by PJ Heywood. There is also a rumor that he is the character we were playing as, but this is later revealed false, as we were actually playing as his son, Michael.

The Silver Eyes

William Afton, otherwise known as Dave Miller, is the main antagonist of the novel, Five Nights at Freddy's: The Silver Eyes. He is an alternate continuity take on the Killer from the original games series.

According to the novel, Afton originally owned Fredbear's Family Diner alongside Charlie's father, Henry. Being the mechanical genius that he was, Henry created the two springlock suits, one in which William would use in his killing sprees. On Halloween, 1982, Afton donned the Spring Bonnie suit, and he kidnapped and murdered Sammy, Charlie's baby brother. While William was suspected of committing this murder, he wasn't charged; as a result, the diner ends up closing down. Freddy Fazbear's Pizza was established a few miles south of Hurricane, Utah, and once again, Afton disguises himself as Spring Bonnie, lures five children to the backroom, murders them, and hides their bodies. One of his notable victims was Michael Brooks, who later went on to possess the Golden Freddy costume. This time, Henry is also suspected of committing the murders, but, considering that the bodies were never found, he was let go. Out of grief, Henry commits suicide, and the pizzeria is closed down, and a mall was built over it.

Ten years later, a memorial was held by the parents of the late Michael Brooks, and Charlie and her childhood friends return to Utah to attend it. They meet with a security guard named Dave while they were revisiting the pizzeria for the second time; they begrudgingly take him along, but Charlie notices a series of scars on the back of his neck. Dave goes into the backroom, and he retrieves the Spring Bonnie suit, thus revealing that he was the killer all along, and he kidnaps Carlton, one of Charlie's friends, putting him in a spring lock suit. When the group of friends notices that Carlton was missing, they report it to the police department, but action wasn't immediately taken, due to Carlton's habit of being a troublemaker. A police officer does go to the pizzeria to investigate, but he's immediately stabbed to death by Afton. Carlton wakes up to find himself in an old, malfunctioning springlock suit; William warns him about making any sudden movements, and he takes his shirt off, revealing more scars from a springlock incident.

Charlie and her friends return to the pizzeria to search for Carlton. William confirms that the animatronics were being possessed by the ghosts of the children, and that they were going to kill Charlie and her friends out of confusion. When told that they would also kill him, he expressed no concern, stating that as long as he had the Spring Bonnie suit on, he would be safe from the children's wrath. As the group was about to leave the pizzeria, Afton grabs Charlie by the back of her neck, and threatens to choke her to death. Remembering how the spring lock suits operated, Charlie punches Afton in the face, thus causing the spring locks to collapse, killing him slowly. The main animatronics--Freddy, Chica, Bonnie, and Foxy-- appear, and they drag the dying Afton away. He presumably becomes Springtrap.


The Killer is the confirmed murderer of the children that sparked the downfall of Freddy Fazbear's Pizza and started the chain of events that leads players through the series.

Judging by his actions and appearance within the mini-games, the Killer is cruel, ruthless and cold-blooded, taking sadistic pleasure in his crimes with a smile. It isn't until he is confronted by the ghosts of the five kids that he shows any other emotion - panic and concern for his own life. His motives are unknown, whether it is to cause chaos, take revenge of the owners of Freddy Fazbear's Pizza for personal issues, or he is simply killing for sport.

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