Main human

Main character's dog

Video Game System that can talk

Evil wizard that is always kidnapping princesses

Candy princess that Finn has a crush on

Princess made of fire who later goes out with Finn

Vampire girl who writes music

Dog's girlfriend who is like a unicorn

Purple princess who talks like a boy

Ice King's main penguin

Elephant that bakes apple pies

Robot that throws pies and calls Finn his master

Candy person who is clumsy

Worm that lives in the dog's viola

Ice King's heart

Martian that was banished from Mars

Ruler of Lemongrab