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In the world, ชู้ (Chu , Adulnan , ชู้) is a common unisex first name. The first name ชู้ is characteristic of Eastern Asia, particularly Macao, where it is quite a common epicene name, Hong Kong, and Mongolia, where it is quite a common girly name. Not in comparison with a country's population, this name is the most popular in Hong Kong, China, and Vietnam. More prevalently, ชู้ is the last name as well as the forename.
ชู้ is also a name for the fictitious and mythical characters: Chu Hsi , the fictional Teenage Mutant Ninja Turtles character; Chu Liuxiang , the character in wuxia fiction, 楚留香新傳 and Chu , the musical character in the musical San Toy; a Widow.