Mischievous sprites are mythical creatures that have been featured in folklore and literature for centuries. They include IMPS, GOBLINS, PIXIES, and GREMLINS, all of which are known for their mischievous behavior. IMPS are small, often child-like creatures with horns and a tail, while GOBLINS are usually depicted as grotesque, ugly creatures. PIXIES are small, fairy-like creatures with wings, and GREMLINS are small, goblin-like creatures that are often blamed for mechanical or electrical problems. All of these mischievous sprites have been known to cause trouble and mischief throughout history.