Dio was an American heavy metal band formed in 1982 and led by vocalist Ronnie James Dio, after he left Black Sabbath with intentions to form a new band with fellow former Black Sabbath member, drummer Vinny Appice.
They Made a song called Metal Will Never Die whats More Metal than that - christangrant
2 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.
They are a great metal band, but number 2 is a bit exaggeration. They released lot of hard rock songs and their 1986 album, Turbo Lover is a bit poppy even. Judas Priest is one of the top of the metal music, but they were a bit mainstream sometimes. - somekindofaguy
Made a song called Heavy Metal - christangrant
3 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 ...read more.
So Metal they have a Metal in their name - christangrant
Metallica is an American 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". ...read more.
They have metal in their name - christangrant
Slayer is 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.
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 ...read more.
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 ...read more.
Annihilator is a Canadian thrash metal band founded in 1984 by vocalist, guitarist, bassist, songwriter, engineer, producer, mixer and mastering engineer Jeff Waters and former vocalist John Bates.
9 Blind Guardian
Blind Guardian is a German power metal band formed in the mid-1980s in West Germany. They are often credited as one of the seminal and most influential bands in the power metal and speed metal subgenres. Heavily influenced by Queen, they use the technique of overdubbing. They also incorporate large ...read more.
If you mean they never released a song that isn't metal for 30+ years - then yes, they are one of the most "metal" metal bands of all time. They have softer metal songs but they don't have hard rock songs. Also, they never released songs with rap, pop, blues, punk, funk, disco, techno, and so on. Yep, they are a very "metal" metal band. - Metal_Treasure
Helloween is a German power metal band founded in 1984 in Hamburg, Northern Germany. The band is a pioneering force in the power metal genre, and their second and third studio albums, Keeper of the Seven Keys: Part I and Part II, are considered masterpieces of the genre.
They have many songs about Metal but they also have some poppy songs as well - christangrant
Manowar is an American heavy metal band from New York City, New York. Formed in 1980, the group is known for lyrics based on fantasy and mythology.
They wrote the most songs about metal: Kings of Metal, Metal Warriors, Brothers of Metal, The Gods Made Heavy Metal, Metal Daze, Gloves of Metal, and probably several more. - Metal_Treasure
For 'most' metal, Manowar hands down slays everyone else. Death to false metal!