"Though Minos was intelligent and persuasive, he was also a gentle and noble man. Such values mattered little to Sisyphus, who would gladly lie, cheat or kill if that's what is needed to protect his comrades." Sisyphus is shown to be a cruel and manipulative person, though perhaps, that is what made him such an effective leader. With immense power, and an iron fist, Sisyphus ruled over the Greed Layer... until the Angels came down and trapped him within the Flesh Panopticon. Which he destroyed.