In Scandinavian myth, trolls are ugly, malicious creatures
and the enemies of mankind.
are much bigger and stronger than humans, and leave their
caves only after dark to hunt. If they are exposed to sunlight
they will instantly turn to stone.
are very fond of human flesh.
later myths they are roughly the size of humans or elves,
and thought to be the owners of buried treasures.
are sometimes, although very rarely, portrayed as friendly,
less ugly creatures.