1) Water spirit 
A jengu (plural miengu) is a water spirit and deity in the traditional beliefs of the Sawa ethnic groups of Cameroon, particularly the Duala, Bakweri, and related Sawa peoples. Among the Bakweri, the name is liengu (plural maengu). They are similar to West African Mami Wata figures, though belief in miengu likely predates most Mami Wata traditions...