Lamb of God
Lamb of God is an American heavy metal band from Richmond, Virginia. Formed in 1994 as Burn the Priest, the group consists of vocalist Randy Blythe, guitarists Mark Morton and Willie Adler, bassist John Campbell, and drummer Chris Adler.
Go to: http://www.lamb-of-god.com/ for more extreme details.
Behemoth is a Polish extreme metal band from Gdańsk, formed in 1991. They are considered to have played an important role in establishing the Polish extreme metal underground.
Go to: https://www.facebook.com/behemoth/ for even more.
Byzantine is a heavy metal band from Charleston, West Virginia, that was formed in 2000. As of March 2016, the band consists of front-man and co-founder Chris “OJ” Ojeda, Brian Henderson, Matt Bowles and Sean Sydnor.
Go to: https://www.facebook.com/Byzantinewv/ for more, then some.