mum·mer 
(mŭmər)
(mŭmər)n.
1. A masked or costumed merrymaker, especially at a festival.
2.
a. One who acts or plays in a pantomime.
b. An actor.
[Middle English, from Old French momeur, from momer, to wear a mask, pantomime.]
mummerNew Year's Day Mummers Parade
Philadelphia, Pennsylvania