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In the world, Joos (Joos , 约斯 , Йос ) is a rare mostly masculine, but uncommonly female first name. The forename Joos is characteristic of Western Europe, particularly Belgium, where it is a rare mostly boy's, but seldom female name, Netherlands, where it is a rare gender-neutral name, and Switzerland, where it is a rare male name. Measured by absolute frequency, it is the most numerous in Belgium, Indonesia, and Netherlands. More frequently, Joos is the last name as well as the forename.
Joos is also a name for the fictitious and mythical characters: Big Joe , the mascot of the Ottawa Redblacks of the Canadian Football League; Jos Blijlevens , character in Spoed; Jos Verlackt , character in Wittekerke; Jos Sneyers , character in Wittekerke and Jos het debiele ei .