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Around the world, 卡索 (Caso , Castle , 卡索 ) is quite a rare unisex forename. The forename 卡索 is characteristic of Italy, where it is a rare unisex name, the Democratic Republic of the Congo, where it is a rare male name, and Indonesia, where it is a rare gender-neutral name. More frequently, 卡索 is the last name as well as the forename.
卡索 is also a name for the fictitious and mythical characters: .