[WikiPedia] Krokus is a Swiss hard rock and heavy metal band formed in 1975. They were popular in North America during the 1980s. The band was founded in Solothurn in 1975 by Chris von Rohr (vocals and multi-instruments) and Tommy Kiefer (guitar), both former members of Kaktus. Former TEA vocalist Marc Storace joined the band as frontman in time for their Metal Rendez-vous album in 1980.