Koji Nakagawa aka GOEMON was a mainstay of the Japanese hardcore scene, trained by Atsushi Onita and Tarzan Goto. He was a member of the "Team No Respect" faction from 1998 to 2000, spanning the Kodo Fuyuki and Yukihiro Kanemura leaderships.
While being a Frontier Martial-Arts Wrestling stalwart, he made appearances for Pro Wrestling Zero1, World Entertainment Wrestling, Wrestling Marvelous Future, All Japan Pro Wrestling, Michinoku Pro Wrestling, Fuyuki Army Promotion, KAIENTAI Dojo and Extreme Championship Wrestling in the United States.
From 2010 onward, Nakagawa has concentrated on training students and wrestling occasionally.
Nakagawa married female wrestler Yoko Ikeda, who had also wrestled for FMW, and is the father of Haruka Nakagawa of the band JKT48.
- Finishing and signature moves
- Teams and stables
- Team No Respect
- with Onryo
- "The Hitman"
- "Mr. Double Cross"
Championships and accomplishments
- Frontier Martial-Arts Wrestling / World Entertainment Wrestling
- FMW Brass Knuckles Tag Team Championship (1 time) – with Gedo
- FMW Independent World Junior Heavyweight Championship (2 times)
- FMW World Street Fight 6-Man Tag Team Championship (4 times) – with Masato Tanaka (2), Tetsuhiro Kuroda (2), Hayabusa (1), Atsushi Onita (1), Kodo Fuyuki (1), and Yukihiro Kanemura (1)
- WEW 6-Man Tag Team Championship (4 times) – with Gedo (3), Jado (2), Kodo Fuyuki (1), Hayabusa (1), and Tetsuhiro Kuroda (1)
- WEW Hardcore Tag Team Championship (1 time) – with Onryo
- WEW Tag Team Championship (3 times) – with Gedo (2) and Onryo (1)
- Wrestling Marvelous Future
- WMF Junior Heavyweight Championship (1 time)