Tōru Oikawa (Japanese: 及川おいかわ 徹とおる Oikawa Tōru), also known as Tohru Oikawa in the English translation. For the majority of the series, he was a third-year student at Aoba Johsai High, serving as the captain and setter for the school's Boys' Volleyball Team. He is the main antagonist of the Interhigh and Spring High Preliminary Arcs. As of the Final Arc, he is a setter for Club Atlético San Juan, a professional team in the Argentine Volleyball Federation. He obtained Argentinian citizenship.