The nicor, in danish a water-dwelling troll known as Åmanden or Nøkken, in Norwegian known as fossekarlen, in Swedish known as Näcken, in German he is Nix. He only reveals himself when he requires a sacrifice of a human life. He will play his violin and lure the poor soul into the waters to drown.
This illustration was a part of a personal project. A 12 piece series of illustrations based around Scandinavian folklore for a self-published calendar named: Trollkin. See the full series here: [CLICK HERE]