One common theme is friendship development. They might start as just classmates or rivals and gradually become closer friends. For example, a story could show how they overcome their differences over time.
You can try some popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of South Park - related fanfics, including those about Kenny and Cartman. Just use the search function on the site to look for them.
One challenge is staying true to the characters' personalities. Kenny is often the quiet and mysterious one who dies a lot, while Cartman is loud, self - centered and manipulative. If you deviate too much from these traits, it won't feel like a South Park story. Another challenge is creating a believable relationship between them. Given their different natures, it's not easy to make their interactions seem natural.
One plot idea could be that Kenny and Cartman get involved in a time - traveling adventure. Maybe they accidentally go back in time and have to work together to get back to their own time, all while dealing with their usual differences and the challenges of the past era. Another idea is a body - swap situation where they have to experience life in each other's shoes, leading to a lot of comical and also some heart - warming moments as they understand each other better.
I'm not sure specifically what that particular 'cartman x heidi fanfic' is about as there could be many different interpretations. It might be a fan - created story that focuses on the relationship or interactions between Cartman and Heidi from a certain show or fandom.
Another theme is self - discovery. As they interact in these fan - created stories, both Kyle and Cartman often learn more about themselves. For example, Cartman might realize he has a softer side when dealing with Kyle, and Kyle might understand his own capacity for forgiveness.
In 'south park cartman x oc fanfiction', the key is the relationship between Cartman and the OC. Some fanfictions might focus on Cartman's bratty and manipulative nature and how the OC either challenges or succumbs to it. For example, the OC could be a new student in South Park and Cartman tries to play his usual tricks on them, leading to various comical or thought - provoking situations.
Well, that's hard to say without knowing the specific details of the fanfic. It might be a misunderstanding between Kyle and Cartman themselves or an outside force causing the harm.
Well, 'Under the Stars' is also a good one. It's a more emotional 'kenny x craig fanfiction'. It delves into their deeper feelings for each other. They go on a camping trip together and while they're out there, they share stories and secrets. It's a story that really makes you feel for them and their bond.
There are often stories that explore Cartman's character in new ways. For example, he could be in a story where he has to learn a valuable lesson, which is different from his usual self - centered behavior in the original show. These fanfictions can be a great way to see different interpretations of Cartman and his relationships with other elements in the fictional world.