Often, Finn and Jake might make appearances in Adventure Time Gum War fanfic as they are main characters in the original series. They could be involved in the Gum War in various ways, like trying to stop it or getting dragged into it. Princess Bubblegum is also likely to be a main character as she has a lot to do with gum.
In these fanfics, Marceline the Vampire Queen could be a main character too. She might have her own reasons for getting involved in the Gum War, perhaps because of her relationship with some of the other characters or her own interests in the power dynamics of the war. Another character could be the Ice King. He could be in the Gum War for some wacky reasons, like thinking the gum has some connection to his princess - stealing quests.
The Lumpy Space Princess might also be a main character in Adventure Time Gum War fanfic. She could be on a side of the war, using her unique Lumpy Space powers. And of course, there could be new characters created specifically for the fanfic that play important roles in the Gum War. These new characters could bring fresh perspectives and storylines to the fan - made Gum War.
Princess Bubblegum is surely one of the most important. She has a lot at stake in the Gum War as the ruler of the Candy Kingdom.
One interesting plot could be the discovery of a new type of gum with extraordinary powers in the Gum War. This new gum might change the balance of power between the different factions. Another plot could involve a character from the original Adventure Time series getting caught in the middle of the Gum War and having to use their unique skills to survive.
Finn and Jake would be obvious choices. Their courage and friendship could be put to the test in the harsh post - war world. They might be on a mission to help the survivors or to uncover the secrets of the war.
Finn is likely to be one of the main characters. He's a central figure in Adventure Time, so he'd probably play an important role in the fanfic related to the Great Mushroom War. Jake could also be there, as Finn's best friend.
One idea could be exploring the backstories of the characters involved in the Gum War. Maybe there are hidden alliances or personal vendettas that led to the war.
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.
In the context of The Great Mushroom War story in Adventure Time, Finn and Jake are key. Finn, as the human boy, and Jake, his shape - shifting dog friend, are constantly coming across remnants of the war. Marceline, the vampire, also has a connection. She's old enough to have some memories or knowledge about the events of the war. Plus, there might be some other characters from the past that are only hinted at, who were involved in the power struggles that led to the Great Mushroom War.
Princess Bubblegum also frequently appears. Her scientific knowledge and leadership in the Candy Kingdom can be useful in dealing with the mysteries that knots might bring. For example, if a knot is causing some sort of chaos in the kingdom, she would be there to analyze and try to solve it.
Finn and Jake are often the main characters in 'Adventure Time Family Fanfic'. They are the core of their little family unit in the show, so it makes sense for them to be central in fanfics too. Their friendship and brother - like bond is a great foundation for family - centered stories.
Princess Bubblegum can also be a main character. Given her scientific mind, she could be researching something in the canyon, like unique plant life or strange geological formations. So, in many fanfics, she plays an important role in the canyon - related adventures.