One common theme could be a different take on Cartman's personality. Since Cartman is known for his bratty and often self - centered behavior in the original, in a female version, it might explore how that same behavior is perceived differently. For example, society might react differently to a female character with those traits.
In 'cartman depressed fanfic', it can show a different side of Cartman. Usually, he is portrayed as a brash and often mean character. But when depressed, we can see his vulnerability. For instance, his usual bravado might disappear, and we can explore what lies beneath his tough exterior.
I'm not sure about specific 'female Cartman fanfic' as it might be a rather niche area. However, you could try looking on some fan - created story platforms like Archive of Our Own. They might have some works related to this if there are any.
Well, a 'cartman dies fanfic' could be about various things. It might be a fan - created story where the character Cartman from South Park meets his end. It could explore how the other characters in the show react to his death, like Stan, Kyle, and Kenny. Maybe it shows the chaos or the unexpected changes in the town of South Park after Cartman's demise.
One common theme is friendship. Despite their differences, fanfics often explore how Cartman and Kenny can be friends. Another theme is conflict. Given Cartman's often mean - spirited nature, there's often conflict between them which makes for interesting storylines.
Well, there could be a 'cartman fanfic' where Cartman tries to become the most popular kid in school in a really strange way. He might start by bribing kids with his mom's cooking or by spreading false rumors about the other popular kids. It could also be about Cartman's attempts to get revenge on those who have wronged him in the past, but his plans always backfire in hilarious ways.
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.
Most probably, the authors are fans of South Park who have a vivid imagination. They could be fans who have been following the show for a long time and feel like creating a story where Cartman dies to add a new twist to the South Park narrative. It could also be new fans who are trying to make a mark in the fan community by coming up with this rather extreme scenario.
One idea could be that they are paired for a school project and at first they bicker like in the show, but then gradually discover they have common interests outside of their usual squabbles. For example, they both might be into a certain type of music or a particular book series. This could lead to them spending more time together and developing a friendship that slowly turns into something more.
They could also be brought together by external factors. Say there's a new kid in town who starts causing trouble for both of them. They have to team up to deal with this common enemy. During this time, they learn to communicate better. Kyle teaches female Cartman some of his problem - solving skills and she, in turn, shows him how to be more assertive in a different way. Through these shared experiences, their relationship can develop in a believable way.