Hoo Doo the Voo Doo was designed by Al Evans and was based on an Indonesian orangutan skull from his personal collection. The mug is shaped like a skull and has a removable skull cap with straw holes. The mug features intricate designs including dragons and tikis. This version features a green and white glaze with some gold detail. It has unique sculpted details (4-leaf clovers in eyes) especially for St. Patrick's Day. Part of a St. Patrick's Day Set.