Documentation of John Hodgman's moustache:
His 2011 moustache:
From his Twitter page.
His 1999 moustache: From here.
On Twitter, Hodgman says of his new look:
No, I am not playing Higgins in the Magnum PI reboot. However, I AM playing young Wilford Brimley in the upcoming prequel to Cocoon. - 14 Jan 2011
I speculate that Hodgman's fame has developed to the point that he has grown a moustache as a kind of disguise.
At the beginning of this Daily Show segement, his moustache has its coming-out party:
UPDATE: Hodgman's latest moustache Twitter:
Now I pass friends on the street without saying hello.
Them: "Hey! It's me!"
Me: "Sorry. I didn't recognize you with my new mustache."
March 20th Update:
It might have been hiding there before (and I just missed it), but now Hodgman has developed a serious "soul patch".
Late lunch. I have manipulated my mustache into "SOUP EATING POSITION."
Further mustache information: In an interview with the A.V. Club, Hodgman answers questions about his moustache.