Adventure Time Mathematical!

Adventure Time Mathematical!is an American comic book series published by BOOM! Studios. The comic takes place after the series finale and continues the adventures of Finn and Jake, showing them facing new threats, making new friends, and showing their old friends going through their own stories.

Main

 * Finn "the Human" Mertens - originally the last human, Finn is a brave adventurer who enjoys battling monsters.
 * Jake the Dog - Finn's adopted brother who can shapeshift and is the son of a strange alien creature.

Recurring

 * Princess Bonnibel "Bonnie" Bubblegum - the princess of the Candy Kingdom
 * BMO - a living gaming console and a close friend of Finn and Jake's.
 * Marceline "Marcy" Abadeer - the Vampire Queen and a half-demon, Marceline is incredibly powerful and immortal.
 * Simon Petrikov - the former ruler of the Ice Kingdom who is now looking for a way to bring back his fiancée, Betty.
 * Lolly - Bubblegum's creation and aunt.
 * Peppermint - formerly known as "Peppermint Butler", Peppermint is a young candy person who is a son figure of Bubblegum's.
 * Ice Thing - the new ruler of the Ice Kingdom (renamed the Ice Thingdom) who was once a penguin and an alien overlord.
 * Turtle Princess - Ice Thing's wife and the owner of a massive library.
 * Flame Princess - the princess of the Flame Kingdom.
 * Earl of Lemongrab III - the result of the first two Earls of Lemongrab being combined into one.
 * Lumpy Space Princess - the new ruler of Lumpy Space who quite likes her new role.
 * Huntress Wizard - Finn's current main love interest who he has a complicated relationship with.

Antagonists

 * King Lich - the Lich from another dimension where he rules all kingdoms.
 * Man-Bull - a Minotaur who likes calling himself Man-Bull and causes chaos.
 * Shadow Princess - a mysterious princess who rules the shadows.
 * Kingdom Kong - a large monster that enjoys destroying things.
 * Bandit Princess - a thief who was "born with rabies" and whose "parents never loved her because they had mono". Due to her obvious insanity, it is unclear if this is true or not.

Trivia

 * King Lich's name is a reversal of the original name for the Lich, "Lich King".