Berubero (Anc. Rh."Beer-Bear") was an ancient Chieftain of the Northrons. Legend had it that he was either a Maia, an immortal Spirit of Araw's Folk who could appear as a Great Black Bear as well as in man-form or that he was the son of one of the Great black bears of Araw's Folk and a mortal woman.His five sons, Anthargairu, Airiscina, Beruwulf, Answini and Tagrinnia were the fathers of the Five secret houses of Beru and the first Skinchangers.