For those, like myself, who have agreed to put down the razor for all of November in an effort to raise awareness for "men's cancers", despite the fact that genetics looks directly in they eye and says, "Really?", here are 20 famous beards you can use to draw inspiration from.

For centuries, a full, thick, and dare I say, surly beard has been a defining mark of a strong man. It means he's full of testosterone, virile, a leader, someone who commands the room, someone other, hairless, men aspire to be. Studies have even shown that women find men with facial hair more attractive. Ever see a clean shaven Viking warrior? Nope. Know why? Because they were weak, kept below the deck of the ship to man the oars that powered the boat.

Before you come at me with, "a real man does this, a real man does that, blah, blah, blah," I realize there's more to being a man than having full, flowing facial hair. Chalk it up to being a guy thing, much like a woman sees another woman's adorable haircut and just has to have the same thing. Anyway, here's the list.

Nick Offerman

(Photo by Jason Kempin/Getty Images)

Jon Hamm

(Twiiter)

Zach Galifiankis

(Photo by Jason Kempin/Getty Images)

Brad Pitt

(Photo by Vince Bucci/Getty Images)

George Clooney

(Photo by Jason Merritt/Getty Images)

Forrest Gump

YouTube

Gandalf

YouTube

Hagrid

YouTube

Grizzly Adams

YouTube

The Duck Dynasty Crew

(Photo by Laura Cavanaugh/Getty Images)

James Harden - Houston Rockets

(Photo by Scott Halleran/Getty Images)

Brett Keisel - Pittsburgh Steelers

(Photo by Gregory Shamus/Getty Images)

Daniel Bryan - WWE

(YouTube)

Jim "The Anvil" Neidhart - WWF

YouTube

Nearly the Entire 2013 World Series Champion Boston Red Sox Roster

(L-R) Mike Napoli, Jonny Gomes, Dustin Pedroia, David Ross (Getty Images)

Brian Wilson - Los Angeles Dodgers

(Photo by Christian Petersen/Getty Images)

Yosemite Sam

YouTube

Mario and Luigi

(Facebook)

Rick Rubin - Music Producer

(Photo by Alberto E. Rodriguez/Getty Images)