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.

Coldness is a heavy metal band from Fortaleza, Ceará, Brazil, formed in 2012 and operating as an independent act. The band explores themes of human feelings, life, and personal reflection in their music, and had a track featured on the Terrorizer Magazine South America sampler "Fear Candy" in 2017.

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.

Colt.45 is a brutal death metal and grindcore band from Belo Horizonte, Minas Gerais, Brazil. Their 2016 album "Extinction", released through Terceiro Mundo Chaos Discos, drew attention in the underground extreme metal scene for its technically demanding riffs, blastbeat-driven drumming, and vocals ranging from shrieking highs to guttural lows across twelve relentless tracks.

Colônia Cratera is a progressive metal and hard rock band from São Paulo, Brazil, formed in 2017 and named after the ancient meteor crater located in the city's southern outskirts. The band describes their sound as "rock progressivo espacial" (progressive space rock), blending heavy, stoner, and space-influenced elements, with releases including "Flecha e Destino" (2017) and "Templo e Abismo" (2019).