Pun of the Day In Japan, the pack animals are rich. They´re mule yen aires. They´re absolutely loaded. 11/05/2017 · The Pun Gents In Japan, the pack animals are rich. They´re mule yen aires. They´re absolutely loaded. Tagged: animals, donkeys, Japan, money, mules HilariousPretty GoodOKPretty BadTerrible (1 votes, average: 1.00 out of 5)