Who was the most badass military commander in history?

Today, while listening to the amazing Hardcore History podcast about The Mongol Invasions, I learned the answer to that question-

THIS GUY!

Subutai (1176–1248) was the primary military strategist and general of Genghis Khan and Ögedei Khan. He directed more than twenty campaigns in which he conquered thirty-two nations and won sixty-five pitched battles, during which he conquered or overran more territory than any other commander in history. He gained victory by means of imaginative and sophist...