Hideo Takayama was a Japanese professional wrestler, better known under the ring name BADBOY Hido or simply Hido . He is best known for his time with hardcore wrestling federations Big Japan Pro Wrestling (BJW), Independent Wrestling Association Mid-South (IWA-MS), Frontier Martial-Arts Wrestling (FMW) and Wrestling International New Generations (W*ING).

The Tenryu Project WAR World 6-Man Tag Team Championship is a six-man tag team title contested for in the Japanese professional wrestling promotion Tenryu Project. The title was established in Wrestle Association R (WAR) in 1994, the first title of its kind in Japan.