Tove Jansson Niisku, was thin and ugly, with a long, narrow nose and devilish tail. Jansson said that she had designed the Moomins in her youth: after she lost a philosophical quarrel about Immanuel Kant with one of her brothers, she drew "the ugliest creature imaginable" on the wall of their outhouse and wrote under it "Kant". This Moomin later gained weight and a more pleasant appearance, but in the first Moomin book "The Moomins and the Great Flood" (originally "Småtrollen och den stora översvämningen"), the Immanuel-Kant-Moomin is still perceptible. The name "Moomin" comes from Tove Jansson's uncle, Einar Hammarsten: when she
Tove Jansson her father, Viktor Jansson, was a sculptor, and her mother, Signe Hammarsten-Jansson, was a Swedish-born graphic designer and illustrator. Tove's siblings also became artists: Per Olov Jansson became a photographer and Lars Jansson an author and cartoonist. Whilst their home was in Helsinki, the family spent many of their summers in a rented cottage on an island near Borgå, 50 km east of Helsinki. Jansson studied at University College of Arts, Crafts and Design, in Stockholm in 1930–33, the Graphic School of the Finnish Academy of Fine Arts in 1933–1937, and finally at L'École d'Adrien Holy and L'École des Beaux-Arts