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Globally, Čo (チョ , Чо , Čo) is a very rare mostly male, but seldom girly first name. The given name Čo is habitual in Central Asia, particularly Kazakhstan, where it is a rare mostly boy's, but infrequently feminine name. Likewise, Čo is the last name as well as the forename.
Čo is also a name for the fictitious and mythical characters: Jo March , the fictional character from Louisa May Alcott's Little Women; Jo Grant , the fictional character, Doctor Who; Ultra Boy , the DC Comics character, Superman: The Animated Series; Jo Danville , the fictional character, CSI: NY and Jo Reynolds , the soap opera character, Melrose Place, among other works.