LAIDLEY WORM
European Folklore
This is the name of a monstrous type of serpent in the legends and folklore of the North of England. This is the tale of a beautiful young woman turned into a gigantic serpent by a curse. The LAIDLEY WORM became the terror of the region. But she was set free from her hideous and terrifying form by the kiss of a young man.
Source: Giants, Monsters, and Dragons: An Encyclopedia of Folklore, Legend, and Myth