M.L.
Mustache gear is a huge trend among the diy crafty folk. There are even tons of weddings w this theme.
Get a cute necklace or mustache on a stick. Make one yourself out of felt and a wooden dowel. easy!
necklaces:
http://www.etsy.com/search/handmade?search_submit=&q=...
on a stick:
http://www.etsy.com/search/handmade?search_submit=&q=...
If you want to wear it, then cut one out of craft fur. Use face glue to apply. There is a lot of choice at any local party store, like party city.