Legends tell of three major types of kobolds. Most commonly, the creatures are house spirits of ambivalent nature; while they sometimes perform domestic chores, they play malicious tricks if insulted or neglected. Famous kobolds of this type include King Goldemar, Heinzelmann, and Hödekin. In some regions, kobolds are known by local names, such as the Galgenmännlein of southern Germany and the "Heinzelmännchen" of Cologne. Another type of kobold haunts underground places, such as mines. A third kind of kobold, the "Klabautermann", lives aboard ships and helps sailors.