Movember might only be for one month but there is actually a World Beard and Moustache Championship which involves much more commitment. I kid you not. There are even categories, including 'Imperial Moustache' and 'Sideburns Freestyle'.
Here are a few impressive/scary/itchy looking moustaches:
I think it may also be a requirement to have a quizzical look on your face at all times.
If you fancy a look at more moustaches, see the Movember website and click 'Mo Photos'