Pende masks are mostly associated with circumcision rituals. The Mbuya, or village masks, characterized by their somber expression, appear in more then fifteen different forms. The most important ones are: Mbangu, the epileptic; Tundu, the madman,Ngobo; the prostitute, Gabuku; the young flirt, Nganga Ngombo; the diviner, Kiwoyo-Muyombo the bearded mask; and Phumbu the chieftain’s mask.