Mar Muerto is an experimental metal band from Antofagasta, Chile, formed in 2017. Rooted in heavy metal, the band incorporates experimental touches spanning classical music, progressive structures, and black metal influences. Their 2020 EP Shub-Niggurath, a seven-track release drawing on Lovecraftian themes, stands as their primary recorded output to date.

Massacration began as a sketch on Brazilian MTV comedy show Hermes & Renato — a parody of heavy metal excess and broken-English posturing — but quickly became a genuine phenomenon in its own right. Their debut album Gates of Metal Fried Chicken of Death (2005), produced by Ratos de Porão frontman João Gordo under the pseudonym "Rick Rubinho" and featuring Sérgio Mallandro, sold over 40,000 copies; a third album, Metal Is My Life, arrived in 2024 after a 15-year gap.

Mastermind Unlimited are a heavy metal band from Nova Iguaçu who debuted with the EP Will There Be Peace? in 2021, stepping into the deep tradition of heavy metal coming out of the Rio de Janeiro satellite cities. The project sits firmly in classic heavy metal territory, prioritizing melody and traditional song structures over extremity.

Matvey is a traditional heavy metal band from Rosario, Argentina, featuring vocalist Pablo Podesta, guitarist Diego De Santiago, bassist Marcos Sartori, and drummer Mariano Gauna. The band released "Reinando entre colinas" independently in 2012, a Spanish-language epic metal album drawing on Nordic mythology, which was later reissued in 2014 by Electric Punishment Records of Rosario. They shifted toward 1980s US heavy and speed metal influences on their 2019 album "Evil Force and Wild Street", released through Thundersteel Records, and have performed live in both Argentina and Spain.

Maurício Filho is a São Paulo-based shred guitarist whose instrumental work blends heavy metal riffing with technically demanding lead guitar. His discography includes releases such as "The Pumpkin Night" EP and the 2020 album "Season of the Mad Pumpkin," which showcase his high-speed picking and melodic sensibility rooted in the classic shred tradition.

Melomaniak is a heavy metal and hard rock band from Santiago, Chile whose lineup includes Claudio Melo, Guillermo Ananias, Fernando Forttes, and Nicolás Rosales. The band performs entirely in Spanish and has released two albums: Comprando Horror (2017) and El Adversario (2019).

An all-female heavy metal band whose lineup includes vocalist Verônica Voxx, guitarists Fernanda Schenker and Helena Accioly, bassist Drika Martins, and drummer Roberta Tesch. They debuted with the EP Catch Me If You Can in 2014 before releasing their full-length Saving You From Reality in 2018, a conceptually driven album rooted in classic heavy metal with bursts of symphonic texture and Voxx's commanding vocal presence at the center.

Founded by Gustavo Campos and Dudu Del Bem, Menacer plays heavy metal informed by thrash, progressive rock, and classical music, resulting in a technically energetic sound built around direct, listener-focused riffs. The band debuted with the EP Rise Up The Menace in 2006, went on hiatus, and returned in 2012 with vocalist John Rodrigues adopting a heavier edge while preserving the original character of the project.

Metakiase is a two-piece heavy and stoner rock outfit from Pucón in Chile's Araucanía region, formed by drummer Tomás Trucco and guitarist/vocalist Vipe Schindler. Their 2015 debut album La Ruta de la Araucanía blends speed-injected thrash riffs with heavy blues and stoner grooves, drawing on the volcanic landscapes and Mapuche cultural heritage of their southern homeland.