[Name]: 松山研一/松山键一/松山ケンイチ (Matsuyama Kenichi, 松山研一/松山键一/松山ケンイチ?)
[Birthdate]: March 5, 1985
[Birthplace]: Aomori Prefecture, Japan
[Bloodtype]: B
[Star Sign]: Pisces
[Height]: (180cm)
[Weight]: 60 kg
[Chest]: 86 cm
[Waist]: 73 cm
[Shoe size]: 28 cm
[Favorite sports]: Pole vault, Wheelchair basketball
[Talent Agency]: Horipro
Kenichi Matsuyama is a japanese actor =]