Imagine my surprise to find Mårran appearing at Drift Inn beach, with staring eyes and teeth of ice:
Wikipedia summarizes: The Groke (Swedish name Mårran) is a fictional character in the Moomin stories created by Tove Jansson. She appears as a ghost-like, hill-shaped body with two cold staring eyes and a wide row of white shiny teeth. She has been archenemy of the moomins. In the book Who Will Comfort Toffle? [Vem Ska Trösta Knyttet?], it is mentioned that she has a tail, but it has never been seen.
The world Moomin fanciers is thick with images of Mårran. On the island where Tove Jansson lived there's a wonderful example in stone: