Did you know that November is National Mustache Month? According to Movember.com, November is the month when men all over the U.S. become "Mo Bros" for a very good cause: to benefit men's health charities that support prostate cancer and other cancers that affect men.

To celebrate Movember, Oddee has compiled this list of famous mustaches throughout the ages that are not just great looking, but are also iconic. These guys were Mo Bros before it was cool!