Cafeterasub is a Death/Thrash/Groove Metal band from Ambato, Ecuador, with roots stretching back to 1994. Originally founded as a death metal act called Damaged Skull, the band evolved through numerous lineup changes and genre influences to forge a distinct style of their own, releasing full-lengths including Deidades desenmascaradas (2004), Espíritu virus (2007), and the EP Ojos de un dios en celo (2020). They are one of the longer-running metal acts to emerge from Ecuador's central highland region.

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.

Carnage Valley was a death/black metal band from Belém, Pará, Brazil, documented on Encyclopaedia Metallum as a split-up act. The band was associated with Vampiria Records and focused on themes of destruction and death within the extreme metal underground of northern Brazil.

Carnified is a death/black metal band from Salvador, Bahia, Brazil, originally formed in 1994 and revived around 2020–2021. The band builds its conceptual lyrics around a fictional world called Askardem, inhabited by gods who covet the human form. Their return yielded the single "Nocturna" featuring Sarah Jezebel Deva (Cradle of Filth, Therion) and the 2022 EP "Carnage for the Gods."

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.

Cemitério is a death/thrash metal project from São Paulo, Brazil, formed in 2014 by multi-instrumentalist Hugo Golon. The band's self-titled debut album, recorded at RH Studios and released in 2014, draws heavily on classic horror films of the 1970s and 1980s for its lyrical themes, taking influence from early death metal acts such as Possessed, Death, and Pestilence, as well as Brazilian legends Sepultura, Mutilator, and Vulcano. The project is released through Kill Again Records.

Cerberus was a death/thrash metal band from Fortaleza, Ceará, Brazil, formed in 1995. The band operated as an independent act and is documented on Metal Archives, where their themes are listed as covering suffering, death, and personal anguish. The group eventually split up, leaving behind a small body of independent recordings.

Chapel of Bones is a solo death/doom metal project from the suburbs of São Paulo, Brazil, formed in 2025 by a musician credited as The Conductor. The project released its debut EP "Veil of Darkness" in October 2025, a three-track release described as trading in crushing riffs and funereal atmosphere with lyrical references that include Shakespeare. The project is unsigned and independently released.