Moomintroll
Moomintroll is the main character of the series. He is the son of Moominpapa and Moominmama. He is a curious young boy who loves his friends and family.

Snufkin
Snufkin is a philosopher and a traveler who is Moomintroll's friend. He values independence and likes to challenge figures of authority.

Little My
Little My is a mischevious young girl. She is known for her quick temper and independent nature. She is brave and loyal to her friends.

Moominmama
Moominmama is Moomintroll's mother. She is a nurturing and caring person and is welcoming to all. She loves nature and gardening.

Moominpapa
Moominpapa is Moomintroll's father. He views himself as a great thinker and a storyteller. He loves adventure and new exciting things.