An OC could be a monster that was once a human. They got transformed into a monster due to some strange accident in the monster world. Their struggle to adapt to being a monster while still having human memories and emotions could make for a great fanfiction. They could try to change the way Monsters Inc operates from the inside.
One idea could be an OC who is a new type of monster with a unique ability, like the power to change colors to blend in different sceneries in the human world. This would add an interesting twist to the story as they could use it for both scaring and befriending humans.
Perhaps an OC that is a very small monster but has a big heart. They might not be good at scaring like the others, but they are excellent at making friends with other monsters. They could start a new trend in Monsters Inc where friendship is more important than scaring power, which would cause a lot of changes in the company.
One idea could be exploring the backstories of the monsters more deeply. For example, what was Sulley's life like as a young monster? Another could be a story where Boo somehow returns to the monster world as an adult. Or a fanfiction about the monsters having to deal with a new kind of energy source other than screams.
One idea could be a crossover with 'Toy Story'. The monsters could accidentally enter Andy's room and interact with the toys. It would be hilarious to see Sulley and Woody trying to understand each other's worlds.
One idea could be creating an OC (original character) who is a misfit among the traditional monster students. For example, a small and timid monster in a school full of big, scary ones. The story could revolve around this OC trying to find their place and prove themselves in the university.
First, think about your OC's appearance. Are they big or small? Do they have fur or scales? Then, consider their personality. Are they shy or outgoing? After that, come up with a plot. It could be something like your OC trying to break a record in scaring at Monsters Inc. Just start writing down your ideas and let the story flow.
There could be a fanfiction where a human scientist figures out a way to communicate with the monsters in Monstropolis. This scientist then tries to bridge the gap between the two worlds, leading to a series of events where both humans and monsters learn more about each other. For example, the scientist might introduce the concept of different human cultures to the monsters, which they find fascinating.
Another idea is that all the characters are now parents themselves. They have to balance their work at Monsters Inc with raising their own little monsters. It could show how they use their experiences as scared kids or scarers to be better parents.
One idea could be a story where a new character enters the Gremlins Inc game world. This character has unique abilities that disrupt the normal gameplay dynamics. For example, they might be able to see hidden paths or predict the actions of other players' gremlins. This could lead to all kinds of interesting scenarios, like forming unexpected alliances or causing chaos in the carefully balanced in - game economy.
Monsters Inc. is set in a world where monsters generate energy from children's screams. But as the story progresses, we discover that laughter can generate even more powerful energy, leading to a major shift in the monsters' way of doing things.
Some well-known names include Sulley and Mike Wazowski. They are the main characters and very popular among fans.
Maybe there's a powerful villain who has stolen a special artifact from both Konoha and Coolsville. Naruto teams up with Mystery Inc. to track down the villain and retrieve the artifact. Along the way, they learn about each other's cultures and ways of doing things. Shaggy and Scooby could be really amused by Naruto's shadow clones while Naruto might be intrigued by the Mystery Machine.