Mitsuhide Hirasawa (?? ??, Hirasawa Mitsuhide, born 27 March 1982) is a Japanese professional wrestler.
He is best known for working in New Japan Pro-Wrestling (NJPW) under his masked persona, Captain New Japan (?????·???????, Kyaputen Nyu Japan).
He has also worked under another mask as Bone Soldier, and unmasked under his real name, as well as the ring name Hideo Saito (???·????, Hideo Saito).Hirasawa did not achieve success during his time in NJPW.
Despite being part of two of NJPW's best known stables, Chaos and Bullet Club, his time with both was short and marred by poor performances.
His Bone Soldier persona was heavily panned outside Japan and was consequently named 2016's "Worst Gimmick" by the Wrestling Observer Newsletter.