1) Welsh mythology 
In Welsh Mythology, Hyddwn (from the Welsh hydd, `Stag`) appears in the fourth of the Four Branches of the Mabinogi and is one of the three sons of Gwydion and Gilfaethwy. As punishment for the rape of Goewin, Math banished his nephews, turning them into a breeding pair of deer for a year, then wolves, and finally pigs. They had three children o.....