Elf

Christianity: In Christian tradition the Elber, or elf was described as mischievous pranksters that would cause disease to cattle and people, and bring bad dreams to sleepers.

European Cultures: Elves were frequently charged with being responsible for many afflictions in European cultures, from hiccups to strokes. Each of the ailments were named:

Elf Locks - tangled hair Elf Dreams - nightmares Elf Marked - birth defects Elf Twisted - strokes Elf Cake - enlarged spleen Elf Bolt - disease in cattle

Germany: Elves were a spirit of any kind, later specialized into a diminutive creature, usually in tiny human form. The notable characteristics of elves were mischief and volatility. Elves were believed at various times and in various regions to cause diseases in humans and cattle. Elves were also thought to sit upon the breast of a sleeper and give him bad dreams.

Iceland: Elves in Iceland, were routinely blamed for the theft of babies, cattle, milk, and bread. It was also said one should never throw stone,s because of the possibility of hitting the Huldufólk or elves.

Old Norse: Elves in Old Norse mythology were primarily portrayed as females, living in hills and mounds of stones.

Swedish: The älvor or Swedish elves, stunningly beautiful girls who lived in the forest with an elven king. They were long-lived and light-hearted in nature. The could be spiteful if offended giving the offender ailments or diseases.