Nyakki

An inhabitant of fresh water in Finnish folklore. Lures children and young people into the water, where they drown.

Belief in this creature is a folk tradition that came to Finland from Scandinavia. In Sweden and Norway, it corresponds to the word näcken, which is believed to be rooted in the nix, the water spirits of German folklore.

A werewolf, usually appearing in the form of a human or animal, sometimes in the form of a stone, log or log. You can escape from it by calling it by name.