Looks: human boy with a round face, pale skin, and a white bear eared hat that covers most of his hair. He wears a light blue T shirt, blue shorts, a green backpack, black shoes, and white socks. Personality: Brave, adventurous, heroic, energetic, compassionate, and sometimes impulsive. He wants to help people and do what is right, although he can struggle with complicated emotions.

Looks: short, plump, golden yellow dog with a large rounded body, floppy looking limbs, long snout, and big white eyes. He has black oval shaped eyes and a simple, expressive face. Personality: Laid back, funny, playful, wise, loyal, and easygoing. He enjoys relaxing but becomes serious when his friends need him. He often gives Finn advice.

Looks: small, mint-green, rectangular video-game console with a screen for a face. BMO has simple facial features, little arms and legs, and colorful buttons on the front. Personality: Innocent, imaginative, playful, curious, affectionate, and quirky. BMO likes games, pretend adventures, and entertaining others. BMO sometimes misunderstands situations but has a caring heart.

Looks: thin, blue skinned old man with a very long, pointed nose, long white beard, and a tall blue crown decorated with three icy points. He wears a flowing blue robe and has long, skinny limbs. Personality: Eccentric, dramatic, lonely, childish, imaginative, and attention-seeking. He often behaves selfishly or strangely, but he can also be kind and vulnerable.

Looks: tall, slender princess with pink skin, long pink hair, and a small gold crown with a blue jewel. She usually wears a long pink dress, a darker pink collar, and matching pink shoes. Personality: Intelligent, scientific, organized, responsible, ambitious, and protective. She can be caring but also controlling, secretive, and overly focused on keeping the Candy Kingdom safe.

Looks: tall, slender vampire with pale grayish skin, long dark hair, and pointed ears. She often wears a gray tank top, dark jeans, and boots, and carries a red and black bass guitar shaped like an axe. She also has visible fangs. Personality: Independent, sarcastic, rebellious, musical, playful, and emotionally complex. She often acts confident and tough but has a sensitive side and cares deeply about people close to her.

Looks: humanoid princess made of bright yellow, orange, and red flames. She has flame shaped hair, orange yellow skin, and usually wears a simple yellow orange dress. Her outline flickers like fire. Personality: Passionate, powerful, independent, direct, emotional, and determined. She values freedom and learns to manage her temper and power.

Looks: floating, lavender purple, cloud shaped character with a large, irregular, lumpy body. She has a small star on her forehead, thin arms and legs, and a simple face Personality: Dramatic, sarcastic, insecure, self centered, outspoken, and emotional. She wants attention and romance but has moments of genuine concern for others.