Púca

The púca (Irish for spirit/ghost; plural púcaí), puca (Old English for goblin) pwca, pooka, phouka, puck is a creature of Celtic, English, and Channel Islands folklore. Considered to be bringers both of good and bad fortune, they could help or hinder rural and marine communities. Púcaí can have dark or white fur or hair. The creatures were said to be shape-changers that could take the appearance of horses, goats, cats, dogs, and hares. They may also take a human form, which includes various animal features, such as ears or a tail.