Khan Man is a term used to refer to three famous historical figures: ALY Khan, AGA Khan, and Genghis Khan. ALY Khan was a Pakistani aristocrat and racehorse owner who was the third husband of actress Rita Hayworth. AGA Khan is the title of the Imam of the Nizari Ismaili Muslims, a sect of Shia Islam. Genghis Khan was a Mongolian ruler who founded the Mongol Empire in the 13th century, which became the largest contiguous empire in history.