Tetsuya Naito is a Japanese professional wrestler signed to New Japan Pro-Wrestling (NJPW). Naito began training for a professional wrestling career in 2000, initially under Animal Hamaguchi, before joining NJPW in 2004, where he underwent further training. Within NJPW, Naito is a former IWGP Heavyweight, IWGP Intercontinental and NEVER Openweight Champion, the only wrestler who has held those three titles. He also held the IWGP Tag Team and IWGP Junior Heavyweight Tag Team Champion with former partner Yujiro Takahashi, with whom he teamed as No Limit. In addition to those, Naito is also a two-time winner of NJPW's premier singles tournament, the G1 Climax, having won it in 2013 and 2017, and the New Japan Cup, winning it in 2016. In 2016 and 2017, Tokyo Sports named Naito the wrestler of the year.