Puck is the name of a mischievous sprite in English folklore, also known as Robin Goodfellow, and appears in Shakespeare’s A Midsummer’s Night Dream as a mischievous, clever elf who sets up all the trouble that follows in the play. The name comes from Old English pūca meaning “goblin, demon” via Proto-Germanic *pūkô (goblin, spook) derived from PIE *(s)pāuǵ-, *(s)pāug- (brilliance, spectre).
Puck is also a word, referring to an ice hockey puck, a black disk made of rubber that the players hit with sticks to get into a goal. The origin of this word comes from Irish poc. Puck is also a surname.
Puck could also be used as a nickname for a mischievous person.