Shokujin Yamanaka (山中蝕甚, Yamanaka Shokujin) is a Jōnin of Konohagakure, who served in the Third Great Shinobi War when he was only ten years old. He is a well respected member of the Yamanaka clan, and has a twin brother by the name of Nijūmaru Yamanaka. He is sometimes referred to as Shokujin of the Manipulated Shuriken (蝕甚乃操手裏剣, Sōshuriken no Shokujin) due to his mastery of the Manipulated Shuriken Technique.