Donkey masks , want to be Eeyore, Winnies friend? Or Donkey from the Shrek movies? Possibly you just want to be a regular donkey. Well, we have the ass or donkey mask for you. Christmas is a particularly popular time for the donkey mask as the animals have always appeared in nativity scenes near the manger. Children are often dressing as donkeys for school nativity plays and a donkey mask is a wonderful way for them to represent the animal they are cast as.