Quintaped, also known as the Hairy MacBoon.
A strange inhabitant of the mysterious island of Drear. According to legend, there lived two families - McCliverts and McBoons. Once they quarreled and arranged a magic duel. McCliverts turned all MacBoons into hairy five-legged creatures that were strong enough to kill all McCliverts. As a result, there was no one to disguise McBoons and they remained forever in this guise. Ministeryl wizards have repeatedly tried to talk with the Quintapeds and to disenchant them, but they apparently lost the remnants of human consciousness or are pleased with their appearance. If ever it happened at all. Legends are more often fiction...

Fantastic Beasts art from Harry Potter world.