Mortifyzer is a metal band from Santiago, Chile, formed in 2019 and working across thrash, death, and groove metal. They released their debut EP Nuclear Dust in January 2019, their first recorded statement as a band.

Mortinatvm is a black metal band from Puerto Montt in southern Chile, formed around 2009. The band released three demos between 2010 and 2012 — Promo (2010), Lucifere ad Ignis Eternitas (2011), and a self-titled demo (2012) — establishing a raw black metal foundation.

Mortinatvm is a black metal band from Puerto Montt in southern Chile, formed around 2009. The band released three demos between 2010 and 2012 — Promo (2010), Lucifere ad Ignis Eternitas (2011), and a self-titled demo (2012) — establishing a raw black metal foundation.

Mortiço is a one-man black metal project helmed by Andrew Gargula, who recorded the debut album Cumming in your Guts at Home Estúdio Mortal Ways in Rio Claro between January and May 2021. The same year Gargula released a split titled Tempos de Cavalaria alongside Far From Everything, keeping the project active in the tape and digital underground from its first months of existence.

Mortom plays a hard-hitting blend of thrash and groove metal from the city that gave the world Sepultura and Sarcófago, drawing naturally from that rich legacy of heaviness. The band released their self-titled debut EP in December 2020, a five-track statement packed with driving riffs and the kind of thick, mid-paced groove that defines the Minas Gerais metal tradition.

Mortticia is one of the leading NWOTHM acts to emerge from the south, blending classic 1980s heavy metal architecture with progressive and power metal sensibilities, drawing comparisons to Queensrÿche and Angra. The band released their debut EP "A Light in the Black" in 2020 — later issued on CD by Pest Records — and made a notable live statement when they opened for Angra in Porto Alegre in 2022.

Mortuario is a thrash metal band from Santa Cruz de la Sierra, Bolivia, active since 2004 under the Under Records label. The band built its catalog through a series of demos in the 2000s and early 2010s before releasing their debut full-length, Devastación, in 2025. Their sound draws on old-school thrash traditions with lyrical themes of death, destruction, and metal itself.

Mortuary was a death metal band from Buenos Aires, Argentina that was active from 2021 until their split-up. The band contributed the track "Addiction to Horror" to the South American death metal compilation Preservation of Death Vol. 2: South American Massacre — First Blood, their most documented public release.

Mortumbra is a four-piece black metal band from Osorno in southern Chile, describing themselves as "bards and minstrels devoted to dark and forgotten arts." They released their debut recording, PROMO MMXXV, in February 2025.