Tetsuya Naito (内藤哲也, Naito Tetsuya, born June 22, 1982) is a Japanese professional wrestler signed to New Japan Pro-Wrestling (NJPW), where he is the leader of the Los Ingobernables de Japon faction. He is a two-time world champion. Naito began training for a professional wrestling career in 2000, initially under Animal Hamaguchi, before joining NJPW in 2004, where he underwent further training. Naito is a former NEVER Openweight Champion. In doing so, he became the first Triple Crown Champio