A troll is a being in Nordic folklore, including Norse mythology. In Old Norse sources, beings described as trolls dwell in isolated areas of rocks, mountains, or caves, live together in small family units, and are rarely helpful to human beings.

troll, in early Scandinavian folklore, giant, monstrous being, sometimes possessing magic powers. Hostile to men, trolls lived in castles and haunted the surrounding districts after dark. If exposed to sunlight they burst or turned to stone. In later tales trolls often are man-sized or smaller beings similar to dwarfs and elves.

Trolls are mythical creatures that have been a part of folklore and mythology for centuries. They are often depicted as large, ugly beings with magical powers and a penchant for causing trouble. In Norse mythology, trolls were said to dwell in isolated mountains, rocks, and caves, and were rarely described as helpful or friendly.

Trolls were creatures in Norse* myth and legend who became part of the folklore of Scandinavia and northern Europe. Generally trolls were thought to be evil and dangerous, although sometimes they interacted peacefully with people. They were clever at building and making things of stone and metal and often lived in caves or among rocks.

Trolls are often depicted as large, humanoid creatures with grotesque and exaggerated features. They are typically larger and stronger than humans, with rough, scaly skin, large noses, and long, pointed ears. They may also have large teeth or tusks and shaggy hair.