Effective period / Period of releases: 1979 - 2020

Members: Rob Laidlaw, Sean Kelly (6), Brian Doerner, Gerry Finn, Rainer Wiechmann, Brian Vollmer, Brent Doerner, Mike Uzelac, Paul Hackman, Darren Smith (7), Daryl Gray, Greg Hinz, Sindi Wiechmann, Denny Balicki, Kaleb Duck, Keith (Bert) Zurbrigg, Leo Niebudek, Rickferd Van Dyk, Glen Gamble, Jeff Fountain (2), Brent Niemi, Chris Julke

Canadian hard rock / heavy metal band founded in 1974, in Kitchener, Ontario.

Current Line-up:

Brian Vollmer: Lead Vocals
Greg "Fritz" Hinz: Drums
Daryl Gray: Bass
Kaleb "Duckman" Duck: Guitar
Chris Julke: Guitar

Former Members:

Guitar
Ron Watson: 1974 to 1975
Brent Doerner: 1975 to 1990
Paul Hackman: 1977 to 1992
Denny Balicki-Blake 1990 to 1992
Greg Fraser: 1992 to 1996
Rick Mead: 1993 to 1996
Gary Borden: 1996 to 1998
Mark Chichkan: 1996 to 1999
Gerry Finn: 1998 to 2002
Shaun Sanders: 2002 to 2004
Daniel "Dan" Fawcett: 2002 to 2004 († 2022)
Rainer Wiechmann: 2004 to 2006
Jim Lawson: 2004 to 2009
Rick VanDyk: 2007 to 2009

Keyboards / Acoustic / Vocals
Don Simmons: 1974 to 1976:
Cindy Wiechmann 2004 to 2006

Bass
Keith "Bert" Zurbrigg: 1974 to 1979
Mike Uzelac: 1979 to 1983
Mark Rector: 1983 to 1983
Daryl Gray: 1983 to 2002
Jeff Fountain: 2002 to 2007

Drums
Bruce Arnold: 1974 to 1976
Brian Doerner: 1976 to 1980
Leo Niebudek 1980 to 1982
Greg "Fritz" Hinz: 1982 to 1997
Glen "Archie" Gamble: 1998 to 2004
Brian Doerner: (2nd time): 2004 to 2006
Brent Niemi: 2007 to 2009