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Throughout the world, 功 (功 , Gong , Isao ) is a common principally male, but very infrequently girly forename. The forename 功 is characteristic of Eastern Asia, particularly Mongolia, where it is quite a common masculine name, Taiwan, where it is quite a rare epicene name, and China, where it is quite a rare predominantly masculine, but very infrequently female name. Not in comparison with a country's population, the name is most common in Eastern Asia, particularly China, Japan, and Taiwan. More prevalently, 功 is the last name as well as the forename.
功 is also a name for the fictitious and mythical characters: .