, better known by his ring name , is a Japanese retired professional wrestler. He is best known for his 33-year career in New Japan Pro-Wrestling (NJPW), where he was a three-time IWGP Tag Team Champion. He has also worked for Pro Wrestling Noah, where he was a one-time GHC Tag Team Champion. Debuting in 1986 under his real name, Iizuka formed the tag team J-J-Jacks with fellow dojo trainee Akira Nogami in 1992. After changing his ring name to in 1995, he became a mainstay of the New Japan seikigun, and was a frequent tag team partner for Yuji Nagata during the early 2000s. In 2008, Iizuka underwent a drastic change to his look, character and wrestling style, turning heel, shaving his head bald, growing a sinister beard, and adapting a hardcore wrestling style. He was also given the gimmick of an uncontrollable madman, and nicknamed "The Great Traitor" for his betrayal of the New Japan roster. Iizuka competed for New Japan Pro-Wrestling over four separate decades before retiring from in ring competition in February 2019. Professional wrestling career New Japan Pro-Wrestling Early years (1986–1995) Iizuka made his debut for New Japan Pro-Wrestling in November 1986, wrestling against Akira Nogami in a losing effort. From 1986 to 1988, he would only be used as a pre-show attraction, wrestling other young lions such as Kensuke Sasaki, Kenichi Oya, Osamu Matsuda, Shigeo Miyato and Minoru Suzuki, with this latter wrestling Iizuka in his debut match in June 1988. In June 1989, Iizuka and Hiroshi Hase went to the Soviet Union to be trained in sambo, where he would learn his signature maneuvers, the uranage and the Blizzard Suplex. A month later, he won his first championship, the IWGP Tag Team Championship, with veteran Riki Choshu, defeating Super Strong Machine and George Takano in July 1989. After losing the titles two months later to Shinya Hashimoto and Masa Saito, he floundered in the mid-card. In 1991, he wrestled in Europe, mainly in Austria and Germany for Catch Wrestling Association and in England for All Star Wrestling. He competed only twice in the United States, for the Tri-State Wrestling Alliance on September 21, 1991 against Owen Hart, and for World Championship Wrestling on May 17, 1992, teaming with the legendary Tatsumi Fujinami in a losing effort against The Steiner Brothers at WrestleWar. He formed what eventually became J-J-Jacks with Akira Nogami in 1992,