lemur
German, a Hobbs is a small mischievous imp in german folklore.
A dwarf is a cave-dwelling creature in Norse Mythology.
a small, ragged, mischievous child
A small demon or devil is typically depicted as an impish and mischievous spirit that delights in causing trouble and chaos. These entities are often associated with tempting humans to do evil deeds or engaging in playful pranks that lead to harm or confusion. Their small stature and cunning nature make them difficult to detect but also make them easily underestimated.
gnome
Mischievous is an adjective (unless it is a person's name, then it's a proper noun).Ex. Two mischievous kittens were playing together. (mischievous is the adjective, which describes the noun, which is kittens)
A small, often mischievous creature considered to have magical powers.A leprechaun.
leprechauns
an arachnid...or more commonly known as the spider
jackanapes
This concept is most closely associated with the Scandinavian tradition of the Nisse, who is a small mythical creature believed to bring gifts to well-behaved children during the holiday season. The Nisse is known for being mischievous and is typically depicted as a dwarf-like figure wearing a red cap.