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.

Cihoze is a Brazilian death/thrash metal project based in the Brasília/Goiás area, formed in 2020. The duo — Igor "Skullthrash" Gomes on guitar and vocals and Iury "Stringbreaker" Morais on bass and drums — released their debut album "Pesadelo da Realidade" in July 2020, recorded at Witchtrap Studios in Brasília.

Claustrofobia is a death/thrash metal trio from Leme, São Paulo, Brazil, formed in 1993, and widely regarded as one of the most important underground extreme metal bands to emerge from Brazil. The band has toured extensively through South America, Europe, and the United States — sharing stages with Slayer, Iron Maiden, Sepultura, and Napalm Death — and has released a string of albums including "Fulminant" (2005), "I See Red" (2009), and "Unleeched" (2022).

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.

Coliseum is a black/death/thrash metal band from Salvador, Bahia, Brazil. The band operates as an independent act within Salvador's extreme metal underground, combining elements of black metal, death metal, and thrash into their sound.