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All over the world, Nishio (ニシオ , Nishio , 大介 ) is a rare predominantly male, but scarcely female first name. The first name Nishio is characteristic of Eastern Asia, particularly China, where it is a very rare primarily male, but very infrequently feminine name. Very seldom, Nishio is the last name as well as the forename.
Nishio is also a name for the fictitious and mythical characters: Daisuke Aramaki , the fictional character from Ghost in the Shell; Daisuke Endou , the fictional character from Inazuma Eleven; Daisuke Jigen , the fictional human, Lupin III and Daisuke Kosaka , the fictional character from Oreimo, Ore no Imōto ga Konna ni Kawaii Wake ga Nai.