Cesare Borgia
From Conservapedia

Portrait of Cesare Borgia by Altobello Melone
Cesare Borgia was the leader of the rich and powerful Borgia family in Florence during the Renaissance. He was admired greatly by Niccolo Machiavelli, Cesare Borgia was used as a model of excellent leadership in Machiavelli's The Prince. In reality, Borgia was a corrupt and ruthless man.