- Real Name: Iwaike Kazuhito (岩池一仁)
- Birthday: October 11, 1968
- Birth Place: Kofu, Yamanashi Prefecture, Japan
- Height: 170cm
- Weight: 55kg
- Blood Type: O
- Siblings: Older sister
- Hobby: Fishing
- Favourite Band: MEAT BEAT MANIFESTO
- Musical Projects: VAMPS, Oblivion Dust, hide with Spread Beaver, SONIC STORAGE, Spin Aqua, Gemmy Rockets, The Lovers
When he was a child, he was very competitive and absolutely hated to be defeated in anything. He can be an extremely obsessive person and can totally commit himself to something. However, if he's not interested in something, he just won't bother about.
In 2003, KAZ being Spin Aqua member began to work along hyde as co-producer and guitarist in various singles and the album of 2006 FAITH, being also guitarist of various hyde tours. Plus, he began in late 2004 the band SONIC STORAGE with I.N.A. of Dope HEADz.
- Note: Click here for prior releases with Oblivion Dust.
- Note: Click here for prior releases with Spin Aqua.
- Note: Click here for prior releases with VAMPS.