Coccyx is a brutal death metal band from Minas Gerais, Brazil, an independent act that has remained active across multiple periods of activity. The band released a self-titled album in 2018 and appeared on the Brazilian metal compilation "Map of Hell" via UGK Discos (2017). They operate within the fertile Minas Gerais extreme metal underground.

Coffin Trip is a blackened death and doom metal band from Pelotas, Rio Grande do Sul, Brazil, formed in 2025. The band released their debut album "Pathless Endeavor" in April 2025, with tracks including "Selenic Sun." Their sound blends blackened death metal with doom and doomgaze textures.

Coffinfeeder is a death metal band from Sabará, Minas Gerais, Brazil. The band has recorded material including the track "Enslaved by Ignorance" and maintains an active presence in the Brazilian underground death metal scene. They operate independently and have a Bandcamp page under the handle coffinfeeder666.

Coherence is a progressive metal band from Campinas, São Paulo state, Brazil, active since 2016. The band has released albums including "Of Alternate Spaces" and an EP, with a 2020 remastered edition of "Of Alternate Spaces" available on their Bandcamp page. Their music blends progressive metal structures with experimental and atmospheric elements.

Coiotes S.A. is a stoner metal band from Belo Horizonte, Minas Gerais, Brazil, formed in 2023. They released their debut album "Daqui Pra Frente Eh Nois" in April 2023, a ten-track record with lyrics in Portuguese blending heavy stoner riffs with hardcore energy and influences from Black Sabbath, Clutch, and Sleep. Singles "Cola Com Nois" and "Melhor Parte" drew attention from the heavy music press ahead of the album's release.

Colapso was a grindcore and crossover band from Recife, Pernambuco, Brazil, active from 2004 until splitting up around 2007. The band recorded their first demo "É o Fim" ("It's the End") in 2005 with eleven tracks, and later released a split with fellow Recife act Corroídos pelo Ódio in late 2006 that gained wider circulation across Brazil. The group disbanded after members departed to pursue other musical projects.

Cold Burial is an atmospheric black metal project from the greater São Paulo metropolitan area of Brazil, listed on Metal Archives with a formation date in the São Bernardo do Campo area. The band is an independent act operating within the Brazilian atmospheric and depressive black metal underground, with music available on their Bandcamp page. They are part of a broader wave of Brazilian atmospheric black metal acts active in the 2020s.

Cold Forest is a dungeon synth and atmospheric black metal project from São Paulo, Brazil, active from 2013. The project released albums including "A Journey Through Cosmic Infinity" and "Misantrópica Jornada Obscura" in 2013, blending dark ambient and drone textures with black metal atmosphere, and later explored Tolkien-inspired themes with releases such as "In the Land of Mordor."

Coldblood is a death metal band from Rio de Janeiro, Brazil, originally formed in 1992, with themes rooted in Satanism and anti-Christianity. After two break-ups and a permanent reformation in 2005, the band released their debut full-length "Under the Blade I Die" in 2007, followed by "Chronology of Satanic Events" (2013) and "Indescribable Physiognomy of the Devil" (2016), the latter released through Selfmadegod Records.