One interesting concept could be the backstories of the human animatronics. For example, how they came to be in the form of animatronics. Maybe they were part of some experiment gone wrong in a spooky pizzeria.
One interesting fanfiction could be about a female animatronic who has a hidden past and tries to protect the kids in the pizzeria instead of harming them. Maybe she was programmed differently by a kind-hearted technician.
Freddy is often a popular character. His human animatronic form might be depicted as having a mysterious past, like he was once a normal human who was transformed into an animatronic against his will.
The animatronics in FNAF have a complex and creepy backstory. They are believed to be possessed by the spirits of children who met tragic ends at the location where the game takes place.
One plot idea could be that the animatronics initially see Mike as a threat but gradually come to understand his good intentions. Maybe Mike has a special ability that allows him to communicate with them in a unique way, leading to a series of adventures where they have to work together to solve a mystery in the pizzeria. For example, they might be trying to figure out the true origin of the strange occurrences in the building.
One interesting plot could be the night guard gradually forming an unexpected bond with the animatronics. For example, the night guard discovers that the animatronics have a hidden side that is not as menacing as they seem at first. This could involve the animatronics protecting the night guard from some other unknown threat in the pizzeria.
One interesting concept could be alternate endings for the original FNAF stories. For example, what if the animatronics were actually friendly in a different version of the story? Another could be exploring the backstories of minor characters in more depth. Maybe a fanfiction could focus on the janitor who worked at the pizzeria and his experiences with the strange happenings. And then there are the crossovers, like FNAF Stories Fanfiction combined with other horror or even non - horror franchises, which can create really unique and exciting new storylines.
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.
Well, the character relationships are really engaging in fnaf fan fiction. For example, how the night guards interact with the animatronics in new and unexpected ways. Also, some fan fictions explore the idea of the animatronics having a more sympathetic side, which is different from the original game's horror - based view of them.
Well, in 'human and universe 6 fanfiction', one interesting concept could be the unique cultures that might exist in Universe 6. Maybe there are species with extraordinary abilities that interact with humans in ways we can't even imagine. For example, they could have a form of communication that is based on energy transfer rather than spoken words.
One interesting concept could be the idea of humans taming Godzilla. Imagine a story where a group of scientists find a way to communicate with Godzilla and train it to protect the Earth from other threats instead of causing destruction. Another concept might be a human - Godzilla bond, like a friendship or partnership that defies the norms of their usual relationship in the movies.