Five Nights at Freddy's (2023)

Trivia: The filmmakers wanted to honor the fact that the villains are animatronic robots and decided to use practical effects instead of CGI. The Jim Henson Creature Shop actually built fully-functional animatronic puppets for each character, in addition to suits that could be worn by actors for movements that were too complex for the animatronics to do.

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Trivia: The waiter who asks Jane and the others if they'd like to order lunch is played by YouTuber Matthew Patrick, who has a video series called "Game Theory" and has done dozens of videos based around the "Five Nights at Freddy's" video-games. Him saying "That's just a theory!" when someone mentions breakfast being called "the most important meal of the day", is an inside joke. (He ends every "Game Theory" video by saying "That's just a theory... a game theory!").

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Trivia: Minor Spoilers: There's a mid-credits scene showing the cab-driver being frightened by the Balloon Boy figure appearing in his car. And in the final moments of the credits, the music volume lowers, and we hear a robotic voice spell out the words "Come find me."

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Vanessa: Have you met them yet.
Mike Schmidt: Met who?

Steve Raglan: Just keep your eyes on the monitor.

Mike Schmidt: I will work and you will sleep.
Abby: I understand.

Question: Has any explanation ever been given for why William Afton murdered children and how he was able to transfer their souls into the animatronics?