Often, there's the victim who gets stuffed in the suit. This character could be an employee who made the wrong move in the haunted pizzeria. And then there are the animatronics like Freddy, Bonnie, and Chica which are usually central to the story as they are either the cause of the stuffing or part of the horror that the stuffed character experiences.
One interesting concept could be the psychological horror of being stuffed into a suit. It gives a sense of claustrophobia and the horror of being trapped in an inanimate object. Another could be the mystery behind who is doing the stuffing and why. It adds an element of suspense to the fanfiction.
One interpretation could be that it's a form of extreme fanfiction that combines two well - known series in a shock - factor way. Maybe the author was trying to create a new and disturbing narrative that stands out.
I'm not aware of a specific fanfiction with this exact plot. It could be a very dark and disturbing concept. It might be exploring some extreme 'what - if' scenario where Naruto, from the Naruto universe, is somehow thrust into the Five Nights at Freddy's (FNAF) world and meets a gruesome end. But this seems like a very niche and potentially inappropriate crossover idea.
It could be from a foreign land. Maybe some traveling merchants brought it to the Hidden Leaf Village. They lost it on their journey and Naruto just happened to stumble upon it.
It could be Tony Stark. In the Marvel universe, Stark is known for his technological genius. He might design a new suit for Spiderman as a way to upgrade his abilities and better protect him. Stark has the resources and the knowledge to create a high - tech suit with all sorts of advanced features.
Definitely not a true story. FNAF is a work of fiction that takes place in a fictional world with its own set of rules and scenarios. It's all about creating a thrilling and immersive gaming and storytelling experience, not reflecting reality.