Bands

Mammoth Grinder

United States · Hardcore Punk/Sludge Metal (early); Death Metal/Hardcore (later)

Manfected

United Kingdom · Progressive Death Metal

Marccon

Brazil · Shoegaze/Black Metal (early); Depressive/Post-Black Metal (later)

Martyr Defiled

United Kingdom · Deathcore

Mask of Morana

United States · Deathcore

Mater Tenebrarum

Spain · Atmospheric Gothic/Doom Metal

McLoud

Lithuania · Crossover/Thrash Metal

MD.45

United States · Heavy/Thrash Metal/Punk Rock

Medda

United States · Progressive Metal

Mental Torture Fatigue

United States · Black Metal

Miasthenia

Brazil · Melodic Pagan Black Metal

Michael Abdow

United States · Progressive Metal/Rock, Shred

Michael Romeo

United States · Progressive/Neoclassical Metal, Shred

Midnight

United States · Black/Speed Metal

Misanthropic Might

Austria · Black Metal

Mist Tower

Ukraine · Psychedelic Stoner/Doom Metal

Mitochondrial Sun

Sweden · Atmospheric Black Metal/Electronic

Monolyth

Portugal · Progressive Death/Groove Metal

Moonbow

United States · Stoner Rock/Metal

Moorah

Czechia · Black Metal

Morbid Stench

International · Doom/Death Metal

Mordant Rapture

United States · Symphonic/Technical Black/Death Metal

Morgana Lefay

Sweden · Power/Thrash/Groove Metal

Mörk Gryning

Sweden · Black Metal