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Cognomen Ruru (茹茹 , Ruru
, ルル
) , all around the world, is quite a common family name. The cognomen Ruru is habitual in Fiji, where it is quite a rare surname, New Zealand, and Lebanon. Not in comparison with a country's population, it most frequently occurs in Indonesia, China, and Japan. Likewise, Ruru is the forename as well as the last name.