Featured bands
| Band | Style | Country | Formed | Split | Fans | ||
|---|---|---|---|---|---|---|---|
| 1 |
|
Opeth
1990-
|
Extreme progressive Progressive rock Progressive |
Sweden | 1990 | - | 4538 |
| 2 |
|
Overkill
1980-
|
Thrash | USA | 1980 | - | 884 |
| 3 |
|
Ozzy Osbourne
1979-
|
Heavy | United Kingdom, USA | 1979 | - | 838 |
| 4 |
|
Orphaned Land
1991-
|
Progressive folk Death Folk |
Israel | 1991 | - | 720 |
| 5 |
|
Omnium Gatherum
1996-
|
Melodic death | Finland | 1996 | - | 691 |
| 6 |
|
Obituary
1984-
|
Death | USA | 1984 | - | 687 |
| 7 |
|
Obscura
2002-
|
Progressive death Technical death |
Germany | 2002 | - | 612 |
| 8 |
|
Old Man's Child
1989-
|
Thrash Death Symphonic black |
Norway | 1989 | - | 303 |
| 9 |
|
Origin
1997-
|
Technical death | USA | 1997 | - | 264 |
| 10 |
|
October Tide
1995-
|
Death doom | Sweden | 1995 | - | 237 |
| 11 |
|
Onslaught
1983-
|
Thrash | United Kingdom | 1983 | - | 172 |
| 12 |
|
Orden Ogan
1996-
|
Medieval folk Power |
Germany | 1996 | - | 169 |
| 13 |
|
Oranssi Pazuzu
2007-
|
Psychedelic black | Finland | 2007 | - | 160 |
| 14 |
|
Ouroboros
2001-
|
Technical death Thrash |
Australia | 2001 | - | 127 |
| 15 |
|
Om
2003-
|
Stoner Drone doom |
USA | 2003 | - | 124 |
| 16 |
|
Otep
2000-
|
Nu Alternative |
USA | 2000 | - | 124 |
| 17 |
|
Orange Goblin
1995-
|
Stoner | United Kingdom | 1995 | - | 122 |
| 18 |
|
OSI
2003-
|
Progressive | USA | 2003 | - | 121 |
| 19 |
|
Oomph!
1989-
|
EBM Industrial Industrial rock Industrial |
Germany | 1989 | - | 118 |
| 20 |
|
Obscure Sphinx
2008-
|
Post-metal Doom Sludge |
Poland | 2008 | - | 114 |
| 21 |
|
Officium Triste
1994-
|
Death doom | The Netherlands | 1994 | - | 106 |
| 22 |
|
October Falls
2001-
|
Doom Folk Ambient black |
Finland | 2001 | - | 103 |
| 23 |
|
Opera IX
1988-
|
Symphonic black Black Folk |
Italy | 1988 | - | 84 |
| 24 |
|
Oceans Of Slumber
2011-
|
Extreme progressive | USA | 2011 | - | 62 |
| 25 |
|
On Thorns I Lay
1992-
|
Gothic Death doom Doom |
Greece | 1992 | - | 61 |
| 26 |
|
Ophis
2001-
|
Death doom | Germany | 2001 | - | 56 |
| 27 |
|
Ov Hell
2009-
|
Black | Norway | 2009 | - | 56 |
| 28 |
|
Ondskapt
2000-
|
Black | Sweden | 2000 | - | 45 |
| 29 |
|
Otyg
1995-
|
Folk | Sweden | 1995 | - | 45 |
| 30 |
|
Omen
1983-
|
Heavy US power |
USA | 1983 | - | 42 |
| 31 |
|
Orchid
2007-
|
Doom | USA | 2007 | - | 38 |
| 32 |
|
Outworld
1997-2009
|
Progressive power | USA | 1997 | 2009 | 37 |
| 33 |
|
Obsidian Kingdom
2005-
|
Extreme progressive | Spain | 2005 | - | 36 |
| 34 |
|
Odious Mortem
1998-
|
Technical death | USA | 1998 | - | 35 |
| 35 |
|
Obliteration
2001-
|
Death | Norway | 2001 | - | 34 |
| 36 |
|
Onmyo-Za
1999-
|
Heavy Folk |
Japan | 1999 | - | 33 |
| 37 |
|
Olympos Mons
2002-2010
|
Power | Finland | 2002 | 2010 | 32 |
| 38 |
|
Oathbreaker
2008-
|
Black Post-metal Hardcore |
Belgium | 2008 | - | 31 |
| 39 |
|
Oceans Of Sadness
1995-2011
|
Extreme avantgarde Extreme progressive |
Belgium | 1995 | 2011 | 30 |
| 40 |
|
Odious
1998-
|
Black Oriental folk |
Egypt | 1998 | - | 30 |
| 41 |
|
Once Human
2014-
|
Groove metal Melodic death |
USA | 2014 | - | 30 |
| 42 |
|
Obscurity
1997-
|
Pagan folk Viking black |
Germany | 1997 | - | 28 |
| 43 |
|
Omega Lithium
2007-
|
Gothic industrial | Croatia | 2007 | - | 28 |
| 44 |
|
Obtest
1992-
|
Brutal death Pagan black Pagan folk |
Lithuania | 1992 | - | 27 |
| 45 |
|
Orpheus Omega
2008-
|
Melodic death | Australia | 2008 | - | 27 |
| 46 |
|
Odroerir
1998-
|
Pagan folk | Germany | 1998 | - | 26 |
| 47 |
|
One Man Army And The Undead Quartet
2004-2012
|
Death Thrash |
Sweden | 2004 | 2012 | 25 |
| 48 |
|
Orphanage
1993-2005
|
Melodic death Gothic |
The Netherlands | 1993 | 2005 | 25 |
| 49 |
|
Old Man Gloom
1999-
|
Post-metal Sludge |
USA | 1999 | - | 24 |
| 50 |
|
Ovid's Withering
2010-
|
Blackened deathcore Symphonic deathcore Progressive deathcore |
USA | 2010 | - | 23 |