Fake ones, that is, in all kinds of photos online and in places you wouldn't normally see them.
Even Paper Source has a campy set of fake moustaches that they sell in their store:
(my sister bought these)
I'm starting to see them pop up in wedding photos:
And on pets...?
The Moustache Blog is actually pretty awesome, haha. Wonder what my husband will say if I decided to try to grow some facial hair...