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In the world, 三郎 (三郎 , Saburo
, Ienaga
) is quite a rare predominantly male, but very infrequently girly forename. The forename 三郎 is characteristic of Japan, where it is a rare masculine name, China, where it is a very rare principally male, but very infrequently female name, and Canada, where it is a very rare boy's name. Measured by absolute frequency, this name is the most popular in China, Japan, and India. Likewise, 三郎 is the last name as well as the forename.
三郎 is also a name for the fictitious and mythical characters: Saburo , the fictional Teenage Mutant Ninja Turtles character, Mutations.