Most Important Bands in Extreme Metal History

These bands are very Immportant to extreme metal without them the history of extreme metal would be very different from what it is today so here are the most Immportant Bands in Extreme Metal history
The Top Ten
1 Venom Venom are an English extreme metal band formed in 1979 in Newcastle upon Tyne. Coming to prominence towards the end of the new wave of British heavy metal, Venom's first two albums—Welcome to Hell and Black Metal—are considered a major influence on thrash metal and extreme metal in general.

Created Extreme Metal so yes they should be number one

2 Slayer Slayer was an American thrash metal band from Huntington Park, California, formed in 1981 by guitarists Jeff Hanneman and Kerry King. They rose to fame with their 1986 album Reign in Blood, and is credited as one of the big four of thrash metal bands, the others being Metallica, Megadeth, and Anthrax. ...read more.
3 Motorhead Motörhead were an English heavy metal band formed in June 1975 by bassist, singer, and songwriter Ian Fraser "Lemmy" Kilmister, who was the sole constant member; guitarist and songwriter Larry Wallis; and drummer Lucas Fox. The band's harsh vocals and fast paced tempos helped inspire speed metal and thrash metal.
4 Death Death was an American death metal band formed in 1983 by 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 "Godfather of Death Metal." Death released 7 studio albums, and are the band that started the Florida Death Metal scene. They were known for their death metal classics Lack of Comprehension and Crystal Mountain. Death ended in 2001 when Schuldiner died of Brain Cancer.

Popularized Death Metal

5 Metallica Metallica is an American Heavy/Thrash Metal band formed in 1981. The original lineup was James Hetfield (Vocalist and Rhythm guitarist), Dave Mustaine (Lead Guitar), Lars Ulrich (Drums), Ron McGovney (Bassist). The group came into mainstream from their Self-Titled album and the hit single "Enter Sandman".

With their first two albums, Kill 'Em All and Ride The Lightning reaching underground success, their third effort, Master of Puppets has since become one of the most important heavy metal albums ever, as it became the first thrash metal album to be certified platinum. The title track has since become the band's most played song live. ...read more.

Popularized Thrash Metal

6 Exodus Exodus is an American thrash metal band formed in 1979 in Richmond, California. Spanning a career of 37 years, Exodus has gone through numerous lineup changes, two extended hiatuses, and the deaths of two former band members.
7 Megadeth Megadeth is an American thrash metal band from Los Angeles, California. Megadeth was formed in 1983 by guitarist Dave Mustaine and bassist David Ellefson, shortly after Mustaine was fired from Metallica. They have released 15 studio albums to date, and have gone through many lineup changes, with Dave Mustaine being the sole constant member.

They released their debut album “Killing Is My Business...And Business Is Good!” in 1985, but became successful after the release of “Peace Sells...But Who’s Buying?” in 1986. ...read more.
8 Possessed Possessed is an American thrash/death metal band, originally formed in 1983 in the San Francisco Bay Area. Noted for their fast style of playing and Jeff Becerra's guttural vocals, they are routinely called the first band in the death metal genre. Possessed is the sometimes credited with being the first death metal band, and some credit them for coining the term "death metal".

Created Death Metal

9 Bathory Bathory was a Swedish Black/Viking Metal band formed in 1983 by Quorthon and Jonas Åkerlund. Bathory's first 4 albums layed the blueprint for Scandinavian Black Metal. Quorthon is often credited with creating the "shrieking" vocal style of Black Metal. Their 5th album, Hammerheart (1990) displayed old school Heavy Metal with a Nordic folk twist, creating Viking Metal. Majority of their work was Viking Metal , but Bathory is most well known for their first 4 , which proved influential to many future Black Metal bands. Bathory ended in 2004 when Quorthon died of heart failure.

Created Black Metal

10 Pantera Pantera was an American heavy metal band formed in 1981 by guitarist Dimebag Darrell and drummer Vinnie Paul. The band started out as a glam metal act in the 1980s with little success. After discarding their original lead vocalist and enlisting Phil Anselmo, the band signed a major record deal with Warner Music Group via Atco Records. Around this time, Pantera underwent a major change in their musical... read more
The Contenders
11 Mayhem Mayhem is a Norwegian black metal band formed in 1984 in Oslo, regarded as one of the pioneers of the Norwegian black metal scene. The band is also known for the infamous events surrounding them including the 1991 suicide of vocalist Dead (in which former guitarist Euronymous took pictures of Dead's ...read more.
12 Morbid Angel Morbid Angel is an American death metal band based in Tampa, Florida. UK music magazine Terrorizer ranked Morbid Angel's 1989 debut Altars of Madness first in its list "Top 40 greatest death metal albums".
13 Meshuggah Meshuggah is a Swedish progressive metal band from Umeå, formed in 1987. They are often considered the fathers or founders of the djent metal sub genre due to their use of downtuned guitars. They are also known for their song “Bleed”, which is known for its extremely complicated instrumentation, especially the drumming. They released their most recent album, “The Violent Sleep of Reason” on October 7th, 2016. Meshuggah's line-up consists of founding members vocalist Jens Kidman and lead guitarist Fredrik Thordendal, drummer Tomas Haake, who joined in 1990, rhythm guitarist Mårten Hagström, who joined in 1992 and bassist Dick Lövgren since 2004.

They invented djent sound and style. It's still debatable whether djent is a subgenre or not but it became very popular and important.

14 Cannibal Corpse Cannibal Corpse is a American death metal band from Buffalo, New York, formed in 1988. The band is known for their graphic album covers, explicitly violent lyrics and song titles like "I C** Blood" The group got into mainstream after performing the song "Hammer Smashed Face" in the 1994 film Ace Ventura: ...read more.
15 Hellhammer Hellhammer was a Swiss extreme metal band from Nurensdorf, active during 1981–1984. They are regarded as a key influence on black metal, and one of the founders of death metal.
16 Mercyful Fate Mercyful Fate was a Danish heavy metal band from Copenhagen, formed in 1981 by vocalist King Diamond and guitarist Hank Shermann.
17 Bullet for my Valentine Bullet for My Valentine are a Welsh metalcore band from Bridgend, formed in 1998. The band is composed of Matthew Tuck (lead vocals, rhythm guitar), Michael Paget (lead guitar, backing vocals), Michael Thomas (drums) and Jamie Mathias (bass guitar). Former members include Nick Crandle and Jason James; both were on bass. They were formed under the name Jeff Killed John and started their music career by covering songs by Metallica and Nirvana. Jeff Killed John recorded six songs which were not released; two of these tracks were reworked later in their career as Bullet for My Valentine. Financial difficulties dictated the name change, which was followed by a change in music direction. In 2002, ...read more.
18 Judas Priest Judas Priest are a British heavy metal band that formed in Birmingham, England, in 1969. They are often referred to as one of the greatest metal bands of all time, and are even commonly called “The Metal Gods”, after one of the songs on their 1980 album “British Steel”. ...read more.
19 Black Sabbath Black Sabbath were a Heavy Metal band formed in Birmingham, England in 1968 by guitarist and songwriter Tony Iommi, singer John "Ozzy" Osbourne, bassist and main lyricist Geezer Butler and drummer Bill Ward.

The band became mainstream after improving after their debut album got panned. In 1978, Osbourne was fired and replaced with former Rainbow vocalist Ronnie James Dio. Who went to release 2 albums before leaving in 1983, only for Osbourne to return in 1992. ...read more.
20 Celtic Frost Celtic Frost was a Swiss extreme metal band from Zürich. They are known for their strong influence on the development of extreme metal. Formed in 1981 as Hellhammer, the band became Celtic Frost in 1984 and was active until 1993.
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