Thrash and groove metal band from Brasília, Distrito Federal, active from 1988 to approximately 2008. Over their career they released two studio albums — Rage in 1996 and Caution! Strong Irritant in 2001 — as well as several compilation appearances, making them one of the longer-running heavy metal acts in Brazil's capital city.

Abominador is a thrash/black metal band from Santa Mariana, Paraná, formed at the end of 2009 with the explicit aim of making raw, stripped-down extreme metal entirely in Portuguese. Drawing from the Brazilian bestial black/thrash tradition, the project released a demo in 2010 and has continued operating in the underground since, favoring aggression and directness over production polish.

A thrash and death metal band from Rio de Janeiro whose members come from the city's and Niterói's underground metal scene. Aiming to push beyond conventional song structures while keeping the music grounded rather than indulgently technical, the band released the EP "Ravishers of Innocence and Purity" to positive reception within Brazil's extreme metal community.

Acutor is a thrash/black metal band from Bogotá, Colombia, formed in 1993 and regarded as a seminal force in the Latin American metal underground. Their 1997 debut album "Dios Ha Muerto" — sung entirely in Spanish with nihilistic and anti-religious lyrics inspired by Nietzschean philosophy — established them as one of the genre's earliest and most distinctive voices on the continent. They have shared stages with major Colombian and international metal acts and remain active on the Viuda Negra Music label.

Affront is a thrash/death metal band from Rio de Janeiro, Brazil, formed in 2019 and rooted in the aggressive South American extreme metal tradition. Their 2019 debut album "World in Collapse," released through Great Dane Records, channels the ferocity of Slayer, Sodom, and Sepultura, with lyrics addressing social violence, favela life, and existential collapse.

Agoniza are a thrash/death metal band from São Paulo formed in 2020 and self-releasing their material independently. Emerging from the city's long-running extreme metal underground, they combine the direct aggression of thrash with death metal heaviness in the tradition of São Paulo's prolific extreme metal scene.

Alavena are a crossover metal band from the Santiago area of Chile, formed in 2013, who blend thrash, speed, death metal, and hardcore influences. Their debut album It Started Here was released on February 1, 2013 through Australis Records, comprising 12 tracks that include both Spanish- and English-language songs such as "Beer Money," "El Terrible," and "Muerto en Dolor." The record is one of the early entries in Chile's crossover thrash scene of that era.

Anomalia were a metal band from Tigre, Buenos Aires who started out playing thrash and death metal before shifting toward metalcore over the course of their career. The band released two albums — Mea Culpa (2012) and Una Vida en el Infierno (2015) — with the latter marking a move to all-Spanish lyrics and a cleaner, more melodic approach. The lineup at their most active featured vocalist Ramiro Arias, guitarist David Lapalucci, bassist Ariel Olarte, and drummer Javier Cuello.

Antítese were a thrash/death metal band from Osasco, São Paulo, originally founded in 1986 and part of the first wave of Brazilian extreme metal. Their sole full-length album, also titled 'Antítese', was released in 1989 — a record marked by old-school thrash riffing and semi-growled vocals with a death metal edge, placing them alongside contemporaries like Sepultura and Mutilator in the late-80s Brazilian underground. The lineup included vocalist Hetzel 'Bruxxo', guitarist Laércio Jr., bassist Fábio Barreto, and drummer Nonô.