Who he was: Roman Emperor

Best known for: Killing for sport, aggravated incest, appointing his horse to the priesthood, trying to make his horse a consul, building giant floating palaces in spite of being broke, turning his palace in to a brothel

Signature move: Ordered spectators at some games thrown in to the pit to be eaten by wild animals due to boredom

Death toll: Probably a few thousand

Hitler Units (on a scale of 1-5): 1 – Not that bad, considering