Whoever invented the "Pear" torture device. If you don't know what it is, you don't want to know.
Wikipedia said:The atrocities made by Vlad in the German stories include impaling, torturing, burning, skinning, roasting, and boiling people, feeding people human flesh (their friends or relatives), cutting off limbs, drowning and nailing of hats to the heads of people. His victims included men and women of all ages, religions and social classes, children and babies.