Obituary

Death Metal

12 Albums

Obliti Devoravit

Black Metal

1 Album

Oblivion

Technical Death Metal

3 Albums

Obolus

Black Metal

1 Album

Obscene

Death Metal

4 Albums

Obscurae

Atmospheric Black Metal

2 Albums

Obscurum

Black Metal

1 Album

Obsequiae

Black Metal

4 Albums

Obsidian Grave

Black Metal

4 Albums

Obsidian Hooves

Death Metal

1 Album

Obsidian Tongue

Atmospheric Black Metal

6 Albums

Obsolete

Technical Death Metal

2 Albums

Occlith

Doom Metal

2 Albums

Occulsed

Death Metal

2 Albums

Occultation

Doom Metal

2 Albums

Occultist

Thrash Metal

1 Album

Oceano

Metalcore

6 Albums

Ocean of Ghosts

Metal

7 Albums

Oceans of Slumber

Progressive Metal

7 Albums

Octavision

Metal

1 Album

October 31

Heavy Metal

7 Albums

October Noir

Metal

4 Albums

October Thorns

Progressive Metal

1 Album

Octopus Triangle

Progressive Metal

1 Album