Christopher William Masuak (born 1959) is a Canadian-born Australian musician, guitarist, songwriter and record producer. He joined the punk rock group, Radio Birdman (1976–78, 1995–96, 1997, 2005–07), then the hard rockers, the Hitmen (1978–84, 1989–92), and the Screaming Tribesmen (1984–89). Masuak has also been a member of New Christs (1983–84), the Juke Savages (1992–96), the Raouls (1996–97), and Klondike's North 40 (2002–present). He has released material as Chris Boy King and as Klondike. Radio Birdman were inducted into the ARIA Hall of Fame in July 2007.