Answer: pooka

AnswerCrossword Clue
POOKASpecter in Irish lore
POOKAIrish goblin
POOKAPuck's Irish counterpart
POOKASprite of Irish folklore
POOKAGaelic goblin
pooka(in folklore) an Irish spirit, mischievous but not malevolent, corresponding to the English Puck
pookaa malevolent goblin