Worldwide, Duku (毒 
, Duku 
, Doek 
) is quite a common gender-neutral given name. The first name Duku is characteristic of Ghana, where it is quite a rare male name, Nigeria, where it is a rare gender-neutral name, and China. In absolute terms, this name is the most popular in China, Nigeria, and India. Also, Duku is the last name as well as the forename.