Sure. You can try looking on some popular fanfiction websites like Archive of Our Own. Just search for 'mysterion x butters' there, and you'll likely find a variety of stories.
Another option is to join some South Park - related fan communities on social media platforms like Reddit or Discord. People in those communities often share and discuss their favorite fanfictions, including those about mysterion and butters. They might be able to point you to some really great and unique stories that you wouldn't find easily on your own.
One common theme is friendship turned into something more. Since they are both characters from South Park, their initial acquaintance as friends can develop into a deeper relationship in the fanfiction.
Sure. You can start by looking on Archive of Our Own (AO3). There are often many well - written Mysterion x reader fics there. Just search for 'Mysterion x reader' in the search bar, and you'll find a variety of stories with different themes and plotlines.
There's also 'Cartman and Butters: A Different Kind of Adventure'. In this fanfiction, they end up on a wild adventure together, and it really delves into their relationship dynamics. It shows how they can be both friends and have their own little power struggles within that friendship. The story has some really interesting plot twists that keep you engaged.
One popular butters x cartman fanfiction is 'The Unlikely Bond'. It delves into how their relationship could develop in a more positive way than their usual interactions in the show. They start to understand each other's insecurities and form a unique friendship.
I'm not sure of specific titles off - hand, but often fanfiction communities on Tumblr might also have some great Kenny x Butters yaoi stories shared. You can look through relevant tags like #KennyButtersYaoi or #SouthParkYaoi. There could be some really creative takes on their relationship, maybe with different AU (alternate universe) scenarios like a fantasy world or a modern - day coffee shop AU.
One great 'South Park Butters x OC fanfiction' is 'Butters' New Friend' which has a really interesting take on how Butters interacts with an original character. It shows a lot of his naivete and kindness in the story.
There's also 'Butters and Kenny's Adventure'. In this fanfic, they go on a journey together through South Park. It's full of humor and also has some really sweet moments between them. They face various challenges and in the process, their friendship deepens.
One great vampire Butters fanfiction is 'The Vampire Butters' Adventures'. It has an interesting plot where Butters discovers his vampire side and tries to navigate the dual life of a normal kid and a vampire. Another one could be 'Butters: The Vampire Among Us' which focuses on how Butters' friends react to his new vampiric nature.
There's also 'Butters Snaps and the Mysterious Object'. In this fanfiction, Butters Snaps stumbles upon a strange object and the story unfolds as he tries to figure out what it is and its significance. It's full of mystery and intrigue.
One great mysterion x kyle fanfiction might be 'The Unlikely Alliance'. It shows how Mysterion and Kyle come together to solve a mystery in South Park. Their different personalities create an interesting dynamic as they work side by side.