Top 10 Most Aggressive Metal Bands

Metal bands are known for being aggressive from the vocals to the overall sound. For this list I'll be excluding bands that aren't metal like Limp Bizkit and Slipknot. I'll also be excluding melodic bands such as Symphonic Metal bands and Power Metal bands. If I missed one in particular feel free to add it.
The Top Ten
1 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.

No death metal and black metal bands on this list? I've heard they are the most aggressive but I'm no expert.

2 Strapping Young Lad Strapping Young Lad was a Canadian extreme metal band formed by Devin Townsend in Vancouver, British Columbia in 1994. The band started as a one-man studio project; Townsend played most of the instruments on the 1995 debut album, Heavy as a Really Heavy Thing. By 1997, he had recruited permanent members; this line-up, which consisted of Townsend on vocals and guitar, Jed Simon on guitar, Byron Stroud on bass, and Gene Hoglan on drums, lasted until the band's dissolution.

Ever wonder why Canadians are so peaceful? Because all their anger is siphoned through Strapping Young Lad

3 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.

This got my thinking. Since they have multiple classifications of death metal and black metal, why not multiple official types of thrash? There's enough variety within the genre. There could be progressive thrash metal (I think Metallica is a good example), brutal thrash metal (like slayer), and more.

4 Kreator Kreator is a German thrash metal band from Essen. Their style of music is similar to that of their compatriots Destruction, Sodom and Tankard; along with those three bands, Kreator has been referred to as one of the "big four" of Teutonic thrash metal, and they are often credited with helping pioneer death metal and black metal by containing several elements of what was to become those genres.
5 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.
6 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
7 Mastodon Mastodon is an American heavy metal band from Atlanta, Georgia, formed in early 2000 and composed of bassist Troy Sanders, guitarists Brent Hinds and Bill Kelliher and drummer Brann Dailor.

Remission is an aggressive beast of an album front to back

8 Napalm Death Napalm Death are a British grindcore/death metal band formed in Meriden, West Midlands, England, in 1981. While none of its original members remain in the group, the lineup of vocalist Mark "Barney" Greenway, bassist Shane Embury, guitarist Mitch Harris and drummer Danny Herrera has remained consistent for most of the band's career.

This list is inaccurate.

9 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”.

They are known for several of their hit songs, which include “Painkiller”, “Breaking The Law”, You’ve Got Another Thing Coming”, and “Turbo Lover”.
Their original lineup consisted of Al Atkins (vocals), K.K. Downing (lead/rhythm guitar), Ian Hill (bass), and John Ellis (drums). Atkins never recorded on any Judas Priest releases, but contributed to several songs. ...read more.

Definitely, for songs like Painkiller

10 Pig Destroyer Pig Destroyer is an American grindcore band formed in 1997 in Alexandria, Virginia. The band was formed by vocalist J. R. Hayes, guitarist Scott Hull, and drummer John Evans, later replaced by Brian Harvey.

I know grind isn't everyone's thing but I've been enjoying this band a lot and they are extremely aggressive

The Contenders
11 Iron Maiden Iron Maiden are an English Heavy Metal band formed in Leyton, East London, in 1975 by bassist and primary songwriter Steve Harris. The most critically acclaimed period for the band was from 1983-1989. With vocalist Bruce Dickinson, bassist Steve Harris, lead guitarist Dave Murray, rhythm guitarist Adrian Smith, and drummer Nicko McBrain. Smith left the band in 1989 and was replaced by Janick Gers. But returned in 1999, and now the band has three guitar players. ...read more.
12 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.
13 Slipknot Slipknot is an American metal band formed in Des Moines, Iowa in 1996. The band is best known as one of the pioneers of the New Wave of American Alternative Metal during the late 1990s - 2000s and are distinguishable by the band's clothing choices, consisting of black/red jumpsuits and horror inspired masks. ...read more.
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: Pet Detective. In 1995, vocalist Chris Barnes left the band to focus on his new death metal project Six Feet Under. He was replaced by George "Corpsegrinder" Fisher of the band Monstrosity, who has remained as the frontman since. ...read more.
15 Sodom Sodom is a German thrash metal band from Gelsenkirchen, formed in 1981. They have gone through many line-up changes, leaving bassist vocalist Tom Angelripper as the only constant member.
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