The Moomins are a family of characters created by Finnish author Tove Jansson. They are large, round creatures resembling hippos and live in a peaceful valley called Moominvalley. The stories often explore themes of friendship, adventure, and the importance of nature. The Moomins have appeared in various forms of media, including books, animated series, and merchandise. The original comic strip and novels have gained a global following, leading to adaptations in different languages. The charming illustrations and whimsical tales have made the Moomins beloved by both children and adults alike.