- Stage Name: Saito Johnny (齊藤ジョニー)
- Real Name: Saito Hiroyuki
- Nickname: Johnny (ジョニー)
- Birthday: October 27, 1987
- Birthplace: Joetsu, Oita, Japan
- Favorite Artists: The Beatles, Led Zeppelin, Byrds, Wikipedia:Jesu, The Who, Quruli, bluegrass music
- Goose house (2010-2012, 2013-present)
- [2015.12.02] SHE IS
- [2012.07.04] Happiness
- He is one of the founding members of Goose house.
- He graduated from Goose house in 2012 to pursue a solo career, but returned to the group in 2013.