Peter Stumpp (c. 1535 – 1589; name is also spelled as Peter Stube, Peter Stubbe, Peter Stübbe or Peter Stumpf) was a German serial killer and farmer, accused of werewolfery, witchcraft and cannibalism. He was known as ‘the Werewolf of Bedburg’. Sources. The most comprehensive source on the case is a pamphlet of 16 …