The Mardi gras king cake is called by a lot of other names such as kingcake, kingsâ€™ cake, kingâ€™s cake or three kings cake. The Mardi gras King cake takes its name from the biblical three kings. The most peculiar aspect of a Mardi gras king cake is that it is associated with a lot of festivals as well like the Epiphany during Christmas season, Mardi Gras and Carnival in Spain. Besides, Mardi gras king cake also has a small trinket attached to it, usually to represent Baby Jesus. The Mardi gras King cake takes its name from the biblical three kings.