Age Nor Defields is a crossover thrash quintet from Mongaguá, on the São Paulo state coast of Brazil, fusing thrash metal with hardcore punk energy and grindcore experimentation. Their album "Mongahell" is a 25-minute barrage of politically charged, anti-fascist material delivered in Portuguese, mixing protest and class consciousness with acid humor and absurdist provocation. Reviewers have noted their earnest, exuberant approach and the Zappa-esque tendency to wrap pointed social commentary in comedic delivery.

Antes Que Todos Mueran is a hardcore and groove metal band from Lanús, Buenos Aires, formed in 2017. Their self-titled debut EP, recorded in August 2016 and featuring vocalist Enzo Cardozo alongside guitarist Germán López and bassist Hugo Blanco, laid down four tracks of aggressive, groove-driven hardcore. The band has remained active in the Buenos Aires underground scene and continued releasing material on streaming platforms.

A thrash/hardcore crossover band from Tabapuã, a small city in the interior of São Paulo state, active since 2014. Their name — Portuguese for "death certificate" — reflects the blunt, confrontational aesthetic typical of Brazilian crossover, fusing the aggression of classic thrash with the directness and speed of hardcore punk.

Ayat Akrass is a death metal/hardcore band from Curitiba, Paraná, Brazil. The band blends the aggression of hardcore punk with death metal heaviness, with lyrical themes centering on equality, capitalism, and political resistance. Their 2003 demo "Quando o Preço da Glória é Pago com Sangue" (When the Price of Glory is Paid with Blood) was released jointly through the Shades Before Dawn and L-Dopa labels.

Bajo el Exilio is a five-piece metalcore and hardcore band from Santiago, Chile, who have been active since around 2009–2010 and built a catalog spanning heavy studio albums and live recordings. Their releases include the EP Tras las Cadenas (2010), the full-length Nuestros Verdugos (2013), Resistance (2016), and Contraluz (2023), with the sprawling live-and-studio hybrid Entre Sombras y Ruido following in 2025. All production on Contraluz was handled in-house by guitarist Darío Llancamán, reflecting the band's self-sufficient approach to their craft.

Basttardz are a crossover thrash/hardcore band from São Luís, Maranhão, formed in 2020 during the Covid-19 pandemic. Taking cues from Ratos de Porão, Municipal Waste, and D.R.I., the band sings entirely in Portuguese and channels working-class Brazilian rage on their debut album Brasil com Z, which tackles labor exploitation and social inequality in eight tracks recorded in a garage spirit.

Big Bastards are a Santiago groove and D-beat metal band who released their self-titled five-track debut in September 2021. The record is a raw and direct statement of political and social rebellion, with tracks like "Hijos del fuego" and "Muere por tu lider" driving home its confrontational edge.

Black Djamba is a groove/death metal and hardcore band from Campinas, São Paulo, Brazil, formed in 2023. The five-piece outfit — featuring Pedro Oliveira on guitar, Matheus Daldon on bass, Yuri Dimov on drums, Pedro Mantovani on vocals, and Arthur Custodio on guitar — fuses death metal heaviness with groove and hardcore aggression. They are an independent act operating in the contemporary Brazilian metal underground.

Clava is a death/thrash metal and hardcore band from São Paulo, Brazil, formed in 2024. The band operates in the tradition of Brazilian extreme metal crossover and is listed as active on Metal Archives. As a very recently formed act, they have yet to accumulate significant press coverage beyond their initial registration.