One common theme is friendship. The human OC usually forms strong bonds with the car characters, like in many stories where the human helps a car overcome a problem, and they become great friends in the process.
One great Cars human OC fanfiction is 'The New Racer in Radiator Springs'. It introduces a human character who has a unique bond with the cars in town. The story is filled with adventures and how the human OC adapts to the car - centric world.
First, create a well - developed OC. Give them a unique personality, like being really shy but super brave when it matters. Also, give them a backstory that ties into the Cars 2 world. For example, if they're from Radiator Springs, explain how they got interested in the events of the World Grand Prix. Then, focus on the plot. Make sure the OC's actions drive the story forward, not just be a side addition.
A fun OC for Cars 2 fanfiction could be a young race car trainee who idolizes Lightning McQueen. This OC could accidentally get caught up in the dangerous events of the World Grand Prix while trying to meet their idol. They then have to use their wits and the little racing skills they have to help the heroes out.
Cars can be personified by giving them emotions. For example, a car could be happy when it's well - maintained and driven on a beautiful road, and sad when it's left in a junkyard. They can also have personalities. A sports car might be portrayed as confident and a bit cocky, while an old family car could be gentle and nurturing.
First, you need to establish the rules of your world. Decide how the cars - turned - humans look, what their abilities are, and how they interact with the regular human society. For example, do they still have some car - like features? Then, create interesting characters. Give them unique personalities based on their car models. A sports car could be cocky, while a family van could be nurturing.
One idea could be a story where a mechanic has a special bond with a sentient car. The car has unique abilities and they go on adventures together, like solving mysteries in a post - apocalyptic world where cars are the key to finding resources.
Power dynamics is a theme that often shows up. Sometimes cars have more power than humans, and the story is about how humans deal with that. Or it could be the other way around. There's also the theme of transformation. A human might transform into something more car - like or a car might gain human - like qualities. These themes add depth and variety to the 'human in cars world fanfiction' genre.
Racing is a big theme. In cars oc fanfiction, you often see races between original character cars. It can be about a new, untested car trying to prove itself in the racing world. There are also themes related to car families. Imagine a story where a young car discovers its family history and heritage. Also, stories about cars in a magical world, where they might have special powers or abilities.
Perhaps a human turns into a car in the fanfiction. This human - turned - car could then participate in the high - stakes races in the Cars universe. They would have to learn how to handle their new form, like dealing with different terrains and using their newfound speed and agility to compete against the other cars. It would be a journey of self - discovery as they adapt to their new life as a vehicle.