The main characters are Leo and Blake, of course. They are likely to be the ones driving the story forward, getting into all sorts of adventures in the Adventure Time universe.
Leo and Blake are the central characters. But depending on how the fanfiction is written, other Adventure Time characters like Princess Bubblegum or Marceline could also play important roles. Maybe Leo and Blake seek help from Princess Bubblegum in her castle, or they cross paths with Marceline while exploring the spooky parts of the Land of Ooo. So while Leo and Blake are the main focus, the other characters can add color and context to their story.
Blake and Leo are the protagonists. They might be friends or siblings who decide to embark on adventures in the Adventure Time world. Since it's a fanfic, they could have unique personalities and abilities that set them apart from the regular Adventure Time cast.
Well, it could be about Leo and Blake teaming up to save the Candy Kingdom from an evil wizard. Maybe they discover a new power within themselves during the adventure.
It could be about Blake and Leo going on a magical journey through the Land of Ooo. Maybe they encounter some of the well - known Adventure Time characters like Finn and Jake and have to help them solve a mystery. For example, they might find a strange artifact that is causing chaos in the Candy Kingdom and they need to figure out how to stop it.
The Ice King can be a key character too. Maybe he tries to kidnap Minerva for his own strange reasons, thinking she can be his new princess. Marceline the Vampire Queen could also be involved. She might be Minerva's ally or foe depending on the plot of the fanfiction. There are also other minor characters from the Adventure Time series that can play important roles in Minerva - related fanfictions.
Obviously, Shoko is a main character. She is often depicted as a tough and resourceful girl with her own set of skills. Another important character could be Finn. Finn might cross paths with Shoko and they could either become friends or rivals depending on the plot. Jake, Finn's loyal dog, could also play a role, perhaps helping or hindering Shoko's plans.
There could also be new human characters created specifically for the fanfiction. These could include leaders among the humans, or characters with unique skills or personalities. For example, a human scientist who is eager to explore the magic of Ooo, or a young human who befriends the magical creatures right away and becomes an ambassador of sorts between the two groups.
Well, the si gamer is obviously one of the main characters. Then there could be Finn and Jake who might interact with the si gamer. Finn with his adventurous spirit and Jake with his shape - shifting abilities would make for interesting interactions with the si gamer.
The Ice King can also be a part of adventure time bandit princess fanfiction. He might try to capture the Bandit Princess for his own strange reasons, like wanting her to be his ice princess. His bumbling nature and ice powers create comical and challenging situations in the story.
Princess Bubblegum's future self could be a main character. She might be leading a resistance against a new tyranny in Ooo. Also, the Candy Kingdom could have new heroes from within its walls, like a young gumdrop who discovers a hidden power within herself and becomes a key figure in the future battles. Additionally, a future version of Marceline could be involved, perhaps she has become a mentor to the new generation of adventurers.
The main characters are Leo and Luna Lemon, of course. Leo is often depicted as a brave and strong character, perhaps with some physical abilities that help in various situations. Luna Lemon, on the other hand, is usually portrayed as intelligent and charming, using her mental faculties to solve problems.