Irish Stories of the Puka

The irish stories of the puca describe them as small, human like creatures that are roughly three feet tall. But there's a whole brand of the puka that breaks that mould - they're also shape shifters. According to legend, only one man, the high king of ireland at the beginning of the eleventh century, brian baru, has ever been able to ride a puca in disguise. The most common and well known is that of a horse, specifically a black horse with glowing eyes and a long mane.