Morishima attended Urayasu High School where he took part in judo. His instructor, Shoji Abe, was friends with Mitsuharu Misawa, and managed to get Morishima a tryout with All Japan Pro Wrestling, which he passed and shortly after began training with the promotion for a career in professional wrestling. Initially, Morishima was a protégé of Misawa, but after Naomichi Marufuji joined the promotion and Misawa decided instead to focus solely on training Marufuji, Akira Taue took Morishima under his wing and trained him. Morishima debuted for All Japan in 1998, but left in 2000 to join the newly formed Pro Wrestling Noah (founded by Misawa), where he became a mainstay.
On March 2, 2008, Morishima defeated Mitsuharu Misawa at the Budokan Hall Event of Pro Wrestling Noah's Second Navigation Tour to become the 12thGHC Heavyweight Champion.[6] A veteran of American Ring of Honor promotion, Morishima has stated that while he plans on returning to ROH in the future, he has no intentions in regaining the ROH Championship, as he will be fully focused on Noah's heavyweight scene. On June 14, 2008, Morishima made his very first defense of the GHC Heavyweight Title against Takashi Sugiura. Morishima prevailed after hitting a backdrop driver. Morishima's second defense happened on July 18, 2008 against former his tag team partner Takeshi Rikio. After about 13 and a half minutes, Morishima defeated Rikio with a backdrop suplex. On September 6, 2008 at the Tokyo Nippon Budokan, Morishima lost to Kensuke Sasaki, who gained a pin at the 22-minute mark with the Northern Lights Bomb. On December 7, 2008, Morishima faced Jun Akiyama for the number one contender's spot for the GHC Heavyweight Championship; which he lost to Akiyama. On September 21, 2009 in Nagoya, Japan, Morishima and Sasaki defeated Akitoshi Saito and Bison Smith for the GHC Tag Titles.[7] However, on December 6, at the last show of Winter Navigation '09, Morishima and Sasaki lost the titles to Takeshi Rikio and Muhammad Yone.[7]
Morishima appeared on the TV Drama in Japan, "Hesitation I Come" during his time off due to a foot injury. However, on November 23, during (Noah Winter Navigation 2010 - Day 4), Morishima returned to Noah teaming with Kensuke Sasaki and defeating Shuhei Taniguchi and Takashi Sugiura. On January 22, 2012, Morishima defeated Go Shiozaki to win the GHC Heavyweight Championship for the second time.[8] Since this victory, Morishima has defended against Naomichi Marufuji, Maybach Taniguchi, Go Shiozaki, Akitoshi Saito, Kenta, Jun Akiyama, and Kohei Sato. After a year-long reign, Morishima lost the GHC Heavyweight Championship to Kenta on January 27, 2013.[9] On January 5, 2014, Morishima defeated Kenta to win the GHC Heavyweight Championship for the third time.[10] Post-match, Morishima quit Brave to form a new group with Kenoh and Maybach Taniguchi, later named Choukibou-gun,[11] turning heel in the process.[12] On January 25, Morishima and Taniguchi defeated TMDK (Mikey Nicholls and Shane Haste), with help from Kenoh and new stablemate Hajime Ohara, to win the GHC Tag Team Championship.[11][13] On February 8, Morishima lost the GHC Heavyweight Championship to New Japan Pro-Wrestling representative Yuji Nagata in his first title defense.[14] On May 31, Morishima and Taniguchi lost the GHC Tag Team Championship to Masato Tanaka and Takashi Sugiura.[15]
American promotions (2003–2008)
Morishima has also wrestled in the United States. He competed in Harley Race's World League Wrestling promotion in 2003, defending the WLW Heavyweight Championship, which he had won from Ron Harris while Harris toured Japan.[16] Morishima returned to the United States in February 2007, wrestling four matches with Ring of Honor. He lost to Samoa Joe on February 16, 2007 before defeating Homicide in a match for the ROH World Championship on the subsequent evening, thus becoming the first non-American to hold the title.[6][17] On February 23, 2007, Morishima defeated B. J. Whitmer in his first title defense, and on the next night he and Nigel McGuinness defeated Samoa Joe and Homicide.[6] On March 4, 2007, he successfully defended the ROH Championship in Japan, defeating Kenta in the Nippon Budokan in Tokyo.[6] Morishima could not return to the United States until almost a month and a half later when he and Chris Hero took on Nigel McGuinness and Doug Williams, and the next night when he successfully defended the belt against McGuinness for the first time.[6]
On April 21, 2007, Morishima was honored at the 42nd annual Cauliflower Alley Club banquet, being presented with the "Future Legend" award.[18][19] Back in ROH, Morishima went on a string of successful title defenses, defeating the likes of Austin Aries, Shingo, Jay Briscoe, and Roderick Strong.[6] Morishima also competed twice on ROH's first pay-per-viewRespect Is Earned, defeating B. J. Whitmer to retain the ROH Championship, and later teaming with Bryan Danielson to defeat Nigel McGuinness and Kenta.[6] At the second pay-per-view, Driven, Morishima again competed twice, retaining the title against Jimmy Rave and later Adam Pearce.[6] On July 16, 2007, Morishima wrestled in the main event of Ring of Honor's debut show in Japan and defeated Nigel McGuinness to retain the ROH Championship.[20] Morishima lost the title to McGuinness at Undeniable on October 6.[6]
In August 2008 Morishima had a dark match tryout against Charlie Haas for WWE before a live Raw in Chicago, defeating Haas in 3 minutes with a missile dropkick.[6] He then beat Jamie Noble the following night in another dark match, this time for SmackDown.[6] Later in 2008, he traveled back to the United States to face Bryan Danielson for ROH's Final Battle 2008, which he lost.[6] This marked Morishima's last appearance in America.
In April 2015, Morishima was forced to pull out of the 2015 Global Tag League due to an injury. On April 21, Noah announced that a blood test had revealed that Morishima had an abnormally high glycated hemoglobin, suggesting diabetes. Following his doctor's recommendation, Morishima decided to immediately retire from professional wrestling.[3][23] On December 28, 2015, Noah canceled Morishima's retirement ceremony, announcing that his contract with the promotion would expire at the end of the year.[24] Later, Morishima recognized the diabetes wasn't the reason of his retirement, but a bad physical and mental state.[25]
Canceled return to the ring (2018)
On July 10, 2018, it was announced that Morishima was set to make his in-ring return in late 2018 at a show produced by Riki Choshu.[26][27] The show, initially named Genesis, was scheduled to take place on October 15, but was cancelled after Morishima announced he required emergency surgery for arthritis in his foot.[28]
Personal life
On November 4, 2018, Morishima was arrested at 11:30pm local time in Kabukichō, Tokyo after assaulting a taxi driver. Morishima allegedly refused to pay the 18,000 Yen the driver asked for and then punched him in the face, breaking both of his cheekbones. Morishima accepted the charges, saying "there is no doubt there was an argument".[29]