Yoon Kee Ho (Keeho - P1Harmony) (2001) Choi Tae Yang (Theo - P1Harmony) (2001) Choi Ji Woong (P1Harmony) (2001) Hwang In Tak (Intak - P1Harmony) (2003) Haku Shota (Soul - P1Harmony) (2005) Kim Jong Seob (P1Harmony) (2005)