A death metal and grindcore act from Cagliari in Sardinia, Machescazo has been grinding out visceral extremity since 2009. The band channels the island's fierce independent spirit into punishing compositions.

Machetazo was a legendary Spanish death metal and grindcore act from A Coruña in Galicia, one of the most important bands in the history of Spanish extreme music. The band delivered visceral, grinding extremity throughout their career, earning a devoted international following.

Machiavellian is a death metal and deathcore band from Skelmersdale, England, formed in 2019, incorporating sludge metal influences. They deliver crushing extreme metal built on devastating heaviness.

Machine Kill is a death metal act from the Cornish town of Redruth, delivering aggressive extremity from one of England's most remote corners. Active since 2014, the band channels the industrial mining heritage of Cornwall into crushing riffs.

Mackage is a slam and brutal death metal band from Shropshire, England, formed in 2016. They unleash crushing slam death metal built on guttural brutality.

Macrohard are a death/thrash metal band from Wels in Upper Austria, operating in the underground of the Austrian extreme metal scene. The band released music through their Bandcamp page and draw on the aggressive, riff-driven traditions of early European death and thrash metal. They remain one of the lesser-documented but active acts in the regional scene.

Mad Brains is a death and groove metal band from Agrigento, Italy, formed in 2022, incorporating industrial elements. They blend death-groove metal with mechanical industrial textures from Sicily.

Madame Violence is a death/thrash metal band from Leiria, Portugal, formed in 2013. They forge aggressive extreme metal at the crossroads of death and thrash.

MadBrain is a death/thrash metal act from Wuppertal, Germany, formed in 2022. Their sound combines death metal's brutality with thrash's velocity, emerging from the industrial Bergisches Land region of North Rhine-Westphalia.