Swiss hard rock group.
Founded by:
Peter Richard – vocals (1975–1976)
Chris von Rohr – vocals, drums, bass, keyboards (1975–1983, 1987–1989, since 2008)
Tommy Kiefer – guitar (1975–1981)
Remo Spadino – bass (1975–1976)

Current line-up:
Marc Storace – vocals (1979–1988, 1994–1996, since 2002)
Fernando von Arb – guitar (1976–2004, since 2008)
Mark Kohler – guitar (1982–1988, 1994–1996, since 2008)
Mandy Meyer (1981, 2004–2007, since 2012)
Chris von Rohr – bass (1975–1983, 1987–1989, since 2008)
Flavio Mezzodi – drums (since 2013)

Former members:
Vocals:
Peter Richard (1975–1976)
Henry Fries (1979)
Björn Lodin (1988–1989)
Peter McTanner (1990–1992)
Carl Sentance (1999–2001)

Guitar:
Tommy Kiefer (1975–1981)
Hansi Droz (1976)
Patrick Mason (1983)
Many Maurer (also bass) (1989–2000)
Chris Lauper (1999)
Dave Stettler (2000)
Dominique Favez (2002–2007)

Bass:
Remo Spadino (1975–1976)
Jürg Naegeli (also keyboards) (1976–1980)
Andy Tanas (1984–1985)
Tommy Keiser (1985–1986)
Tony Castell (2002–2007)

Drums:
Steve Pace (1983)
Jeff Klaven (1983–1986)
Dani Crivelli (1987–1989)
Peter Haas (1990–1992, 1999–2001)
Cliff Rodgers (1999)
Marcel Kopp (2000)
Patrick Aeby (2002–2005)
Stefan Schwarzmann (2006–2007)
Freddy Steady – drums (1976–1982, 1994–1996, 2008-2012)

The logo was designed by the Swiss artist Beat Keller.
In 1977 Krokus merged together with the band Montezuma.
Their album Headhunter was a platinum album in the United States. So far, all Krokus albums have gone platinum in Switzerland.