Campo Minado is a thrash/crossover hardcore band from the Recife/Olinda area of Pernambuco, Brazil, active since 1998. The band’s lineup of Adriano (vocals), Markelly (guitar), D’Angelo (bass), and Marcelo (drums) has released a self-titled debut album (2001), the EP “Curto e Grosso” (2013), and the album “Extinção” (2016), delivering aggressive, politically charged thrash with a hardcore edge.

Caos Devasta is a death/thrash metal band from Manaus, in Brazil's Amazon region, formed in 2017. The band is part of the active underground heavy metal scene in Manaus and has performed at local events including the Mandrake Rock Festival, which showcases original Amazonian metal acts. Their album "Amazônia Destruída" is documented on Metal Archives.

Caos Sphere is a heavy/thrash metal band from Recife, Brazil, formed in 2014. The band released the EP "Horror Tales" as their debut, followed by the full-length "Hell Is Here" and the album "The Call of Thanatos" in 2016, delivering a style built on palm-mute chugging, dexterous riffing, and aggressive vocals in the tradition of classic Brazilian thrash.

Carcará is a thrash metal band from Fortaleza, Ceará, Brazil, tracing their origins to 2007 under the banner "Horda Carcará." The independent act plays infernal thrash metal rooted in the aggressive 1980s tradition of heavy, thrash, and death metal, and has been an active presence in Fortaleza's underground metal scene.

Carnage is a black/thrash metal band from Betim, Minas Gerais, Brazil, listed on Encyclopaedia Metallum as an active act under Headbanger's Behavior. The band's lyrical themes center on anti-religion, death, darkness, and hell, placing them firmly within Brazil's extreme underground metal tradition.

Carneross was a thrash metal band from Berazategui, Buenos Aires, whose lineup included vocalist and bassist Martín Echeniqué, drummer Alejandro Conde, and guitarists Alan González and Federico Conde. The band released two albums of aggressive Spanish-language thrash — Mass Violencia in 2012 and Religión es Muerte in 2016 — before splitting up.

Carniçal is a death/thrash metal trio from Nova Odessa, São Paulo, Brazil, formed around 2019–2020 by Matheus Castilho (guitar/vocals), Felipe Rocha (drums), and João Paulo (bass). The band released their debut album "Inquisição Espiritual" in 2020, followed by a second album "Meia Noite" in 2023, both recorded independently.

Carnívoro is a groove/death/thrash metal band from Boa Vista, Roraima, Brazil, one of the few extreme metal acts to emerge from that northern state. The band plays original extreme metal blending thrash and death metal influences, with the single "Panorama de Aço" showcasing their hybrid of aggressive rhythms and heavy riffing.

Cataplasma is a thrash/death metal band from Los Ángeles in Chile's Biobío region, originally formed in the early 2000s under the name Carga before settling on their current name. Drawing influence from Chilean legend Dorso as well as international acts like Slayer and Sepultura, the band recorded their debut demo Gore Demencia in 2007 and have remained active in the regional underground metal circuit.