An imp is a European mythological being frequently described in folklore and superstition. The word may perhaps derive from the term ympe, used to denote a young grafted tree.
Imps are often described as troublesome and mischievous more than seriously threatening or dangerous, and as lesser beings rather than more important supernatural beings. The attendants of the devil are sometimes described as imps. They are usually described as lively and having small stature.
A goblin is a small, grotesque, monstrous humanoid creature that appears in the folklore of multiple European cultures. First attested in stories from the Middle Ages, they are ascribed conflicting abilities, temperaments, and appearances depending on the story and country of origin, ranging from mischievous household spirits to malicious, bestial thieves. They often have magical abilities similar to a fairy or demon, such as the ability to shapeshift.
Similar creatures include brownies, dwarves, duendes, gnomes, imps, leprechauns, and kobolds, but it is also commonly used as a blanket term for all small, fay creatures. The term is sometimes expanded to include goblin-like creatures of other cultures, such as the pukwudgie, dokkaebi, or ifrit.
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