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In the entire world, וולקו (Valko , וולקו ) is a rare predominantly masculine, but very infrequently feminine first name. The first name וולקו is habitual in Bulgaria, where it is quite a rare male name, the Democratic Republic of the Congo, where it is a rare boy's name, and Greece. In absolute terms, the name is most common in the Democratic Republic of the Congo, Bulgaria, and Germany. More frequently, וולקו is the last name as well as the forename.
וולקו is also a name for the fictitious and mythical characters: Valko , character in The Seven Brothers.