Herminny remembered reading about this so she raised her hand and answered, "Urg the Unclean is a goblin who was dunked in a local pond by young wizards and they say that may have triggered one of the Goblin rebellions of the 18th century and I wonder did they call him unclean cause he looked dirty and thats one of the reasons the young wizards dunked him in the lake even though that is a terribly rude and wrong thing to do".