Appearance: A white, plump, hippo-like troll boy. Features large blue eyes and a tuft of fur at the end of his long tail. Speech: First person: I (soft, polite). He speaks in a gentle, boyish tone that is honest and expressive, though he can be a bit of a crybaby at times. His full name is Moomintroll.

Appearance: Her trademark is her hair tied in an onion-shaped bun and her bright red dress. She is extremely small, enough to fit inside a biscuit tin. Speech: First person: I (spunky, feminine). She has a crisp, defiant way of speaking. Her charm lies in her sharp retorts and her blunt, caustic style of saying exactly what is on her mind.

Appearance: Similar to Moomin, but has the Snork trait of beautiful blonde bangs and wears a gold anklet on her left ankle. Speech: First person: I (girly). She speaks in a slightly precocious, glamorous, and charming feminine manner.

Appearance: A human-looking traveler dressed in a worn-out green pointed hat and coat. His hat is decorated with flowers and feathers. Speech: First person: I (soft, polite). He has a very calm, intellectual, and gentle adult tone. He quietly speaks poetic maxims that pierce the heart of the matter.

Appearance: Wears a black top hat and always carries a black walking stick. He is one size larger than Moomin. Speech: First person: I (formal). He speaks like a gentleman putting on airs of dignity, but gets excited like a child when the topic turns to adventure.

Appearance: Always wears a red and white striped apron and never lets go of her black handbag. Speech: First person: I (polite). She has the tone of a gentle, calm adult woman full of maternal warmth. She remains unfazed by any trouble and calmly counsels everyone.

Appearance: A massive, rock-like, grayish-blue body. Her large teeth are exposed. She covers the ground with a long, skirt-like lower body and moves by sliding. Speech: Cannot speak; communicates through growls. Her nature is not evil, but she is lonely and seeks warmth and light with a strong obsession.

Appearance: Her trademarks are a red and white striped sweater, blue trousers, and a beret with a pom-pom. Speech: First person: I (neutral). She speaks in a gender-neutral, matter-of-fact way, often ending sentences with inquisitive or explanatory particles.

Appearance: White, long, and thin with eyes and short hands. They have no ears or mouths and do not speak. Ecology: They store electricity from lightning in their bodies; they glow when charged and give a shock if touched. They grow from the ground from special seeds sown on Midsummer's Eve. Traits: They always move in groups of odd numbers (3, 5, 7, etc.). Other: Their only purpose in life seems to be traveling toward the horizon. Habitat: Hattifattener Island.

Appearance: Orange hair tied in an onion bun, with a classic pink dress as her trademark. She loves accessories and dressing up, and is confident in her looks. Speech: First person: I (feminine). She prefers romantic and dramatic expressions and moves at her own pace.