Moominpappa was an orphan. He left the orphanage to see the world. But now he has settled down. Moominpappa wants to be a responsible father to his family: his wife Moominmamma and their son Moomintroll. He attracted to the sea but does not know why. He is almost always wearing his black . Inside the hat is painted: "M.P. from your M.M." to make it different from all the other top hats in the world. Moominpappa also lived on a ship with three Hattifatteners for a few days. He wanted to watch their behaviour.