C.F.C. (short for "Cash for Chaos") is a thrash metal and crossover band from Goiânia, Goiás, Brazil, that has since split up. The band played politically charged and socially critical music, addressing themes of daily struggles, society, and systemic issues in their lyrics. They operated as an independent act within the Goiânia underground metal scene.

Cadela Maldita was a thrash metal and crossover hardcore trio from Curitiba, Paraná, Brazil, drawing influence from DRI, S.O.D., Slayer, and Ratos de Porão. The band released albums including "Fight to Survive" (2006), "First Lesson: Hate" (2011), and "The Universe in a Belly Button" (2013), tackling political and social themes throughout their discography. They completed a European tour spanning Germany, Belgium, the Netherlands, Poland, and the Czech Republic in 2012 before splitting up in 2018.

Calibre 38 is a hardcore punk and crossover thrash band from Santiago, Chile that has been active since 2002, building a consistent discography across albums including Bombardeados (2002), Gritos de Guerra (2006), Perseverancia (2008), Balas Tras Sus Almas (2016), and Nosotros Contra Nosotros (2018). Their music blends aggressive hardcore punk with thrash and metalcore influences, delivered through socially charged lyrics addressing themes of conflict and anti-capitalism.

Calibre 38 is a hardcore punk and crossover thrash band from Santiago, Chile that has been active since 2002, building a consistent discography across albums including Bombardeados (2002), Gritos de Guerra (2006), Perseverancia (2008), Balas Tras Sus Almas (2016), and Nosotros Contra Nosotros (2018). Their music blends aggressive hardcore punk with thrash and metalcore influences, delivered through socially charged lyrics addressing themes of conflict and anti-capitalism.

Callamity is a heavy/thrash metal band from Rio de Janeiro, Brazil, founded in 2014. The band blends the Bay Area thrash style with influences from the German and Brazilian thrash schools, alongside broader metal and rock influences. They are an independent act currently active in the Brazilian underground metal scene.

Camembert was a thrash metal band from Buenos Aires, Argentina, operating as an independent act in the 1990s Argentine thrash underground. The band evolved from an earlier project called Lacrimosa and contributed the track "El corazón" to the 2000 compilation Hermandad metálica vol. 2, one of the key documents of the Buenos Aires thrash scene of that era. They later split up, leaving a modest but documented footprint in the local extreme metal archive.

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.