Calavera

A calavera, in the context of the Day of the Dead, is a representation of a human skull or skeleton. The term is often applied to edible or decorative skulls made from either sugar or clay, used in the Mexican celebration of the Day of the Dead and the Roman Catholic holiday All Souls' Day. Calavera can also refer to any artistic representations of skulls or skeletons, such as those in the prints... (Wikipedia)