Fav Old School Bands..

Most of you covered everything but hey.

Thrash Metal:
Kreator - they deserve to be more well known
Metallica - earlier shit only
Overkill
Sepultura - no need to explain
Slayer - still rocking

Death Metal:
Bolt Thrower - a wicked band but again they're barely known
Carcass - fathers of goregrind
Death - pioneers of death metal
Entombed
Morbid Angel
Obituary
 
Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!! Helstar!!!

Helstar
Riot
Y & T
Rage
Mercyful Fate
Dio
Cacophony
Heathen
Grim Reaper
Paradox
Saxon
Raven
Alcatrazz
Racer X
Sabbat

...To name a few that weren't mentioned much or at all.
 
Flotsam & Jetsam
Metal Church
Exodus
Sacred Reich
Testament
Nuclear Assault
Suicidal Tendencies (Lights... Camera... Revolution)
Artillery (By Inheritance!!!)
Toxik (World Circus & Think This)
Forbidden (Forbidden Evil & Twisted Into Form)
Overkill (from Fell The Fire to W.F.O.)
Anthrax (from Fistful Of Metal to Presistence Of Time)
Sanctuary (expecialy Into Mirror Black)
 
Tourniquet
Hades
Manowar
Virgin Steele
Anthrax
S.O.D.
M.O.D.
D.R.I.
Slayer
Agnostic Front
Exodus
Whiplash
Agent Steel
Nuclear Assault
Sacred Reich
Cannibal Corpse
Sepultura
Anvil
Exciter
Pantera
Obituary
Napalm Death

and many more!!!

Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax Anthrax
 
Megadeth
Accept
Judas Priest
Motorhead
Iron Maiden
King Diamond
Mercyful fate
Death
celtic Frost
Hellhammer
Helloween
Jag Panzer
Twisted Sister
Ozzy Osbourne
Quiet Riot
W.A.S.P
Black Sabbath
Slayer
Forbidden
Exodus
Raven
Bathory
Coroner
Suicidal Tendencies
Anthrax
Nuclear Assault
Dio
Kiss
Dokken
AC/DC
Testament
SOD
MOD
DRI
Vio-lence
Possesed
Saxon
Venom
Destruction
Kreator
Sodom
Metal Church
Queensryche