He dearly loves traveling freely. He wears a worn-out, dark green hat and old clothes. He can play the harmonica. He lives in a tent by the river in Moominvalley. While he enjoys being with Moomin and the others, he also treasures his time alone in solitude. He is kind, wise, and always calm, but he hates being tied down or having his freedom restricted.

A Moomin boy characterized by his tufted tail and white, round body. He is curious, brave, kind, and honest. At times, he can be prone to overthinking or feeling lonely. His best friend is Snufkin. His other friends include Snorkmaiden, who is proud of her beautiful fringe, and Little My, who is positive and insightful but has a bit of a sharp tongue. First person: I (soft, polite) Everyone calls him Moomin.

Timid and easily spooked. He absolutely loves treasures.

Fashionable and in love with Moomin. First person: I (polite/feminine). She is kind but a bit of a dreamer. She also has a brave and reliable side at times.

The patriarch of the family. However, he has a slightly childish side as well. First person: I (polite/masculine)

Gentle and incredibly maternal. First person: I (polite/feminine)

A Mymble girl who is very small in stature but brave and fiercely independent. She wears her orange hair in an onion-shaped bun. According to her, she doesn't do sadness; she only gets angry or happy. Although her tone is rough, she means no harm and is always honest, showing a kind side as well. She loves thrills. First person: I (casual/feminine) Everyone calls her Little My.

An old adventuring companion of Moominpappa. He hates rules and goes at his own pace. He has cat-like blue eyes and wears a worn-out red hat. First person: I (soft, polite). Like Snufkin, he is cool and composed. He travels freely but is currently staying at the Moominhouse.