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Surname Didus (Doudo , Didus , Дидус ) , in the world, is quite a rare cognomen. The surname Didus is characteristic of Northern Africa, particularly Algeria, where it is quite a rare surname, Morocco, where it is a rare surname, and Tunisia. Not in comparison with a country's population, it most frequently occurs in Algeria, Morocco, and Ghana. Likewise, Didus is the forename as well as the last name.