Hellhammer was a Swiss extreme metal band from Nurensdorf, active during 1981–1984, in June 1984, Hellhammer disbanded and founded another highly influential band, which Swiss heavy metal band, from Zürich?
Celtic Frost Celtic Frost ( ) was a Swiss heavy metal band from Zürich. They are known for their strong influence on the extreme metal genres. Formed in 1981 as Hellhammer, the band became Celtic Frost in 1984 and was active until 1993. It re-formed in 2001 and disbanded following frontman Tom Gabriel Fischer's departure in 2008. The band was inspired by heavy metal groups such as Black Sabbath, Judas Priest and Venom, but also by gothic rock acts like Bauhaus, Siouxsie and the Banshees and Christian Death, and by the hardcore punk group Discharge.
Death (metal band) Death was an American death metal band from Orlando, Florida, founded in 1983 by guitarist and vocalist Chuck Schuldiner. Death is considered to be one of the most influential bands in heavy metal and a pioneering force in death metal. Its debut album, "Scream Bloody Gore", has been widely regarded as the first death metal record, while the band's driving force, Chuck Schuldiner, is acknowledged as the originator of extreme metal. Death had a revolving lineup, with Schuldiner being the sole consistent member. The group's style also progressed, from the raw sound on its early albums to a more sophisticated one in its later stage. The band ceased to exist after Schuldiner died of glioma and pneumonia in December 2001, but remains an enduring metal band.