, Finnish: Muumi
) are the central characters in a series of books and a comic strip by Swedish-Finn illustrator and writer Tove Jansson, originally published in Swedish by Schildts in Finland. They are a family of trolls, who are white and roundish, with large snouts, that make them resemble hippopotamuses. The carefree and adventurous family live in their house in Moominvalley
, in the forests of Finland, though in the past their temporary residences have included a lighthouse
and a theatre
. They have many adventures along with their various friends.