MISCHIEVOUS BEING is a term used to describe mythical creatures that are known for their mischievous behavior. The most common examples of these beings are elves, imps, and devils. Elves are small, magical creatures found in many European folk tales. Imps are small, often winged, creatures that are known for their mischievous nature. Devils are powerful, supernatural beings that are often associated with evil and mischief. All three of these creatures are commonly seen as mischievous beings.