Celestial Oblivion is an atmospheric/ambient black metal band formed in São Paulo, Brazil in 2012. The band released their debut EP Cosmic Descent: A Prologue For Human Plague in May 2012, followed by the full-length The Arrival of the Fallen God in September 2013. Their sound draws on cosmic and cosmological themes, blending ambient textures with black metal aggression.

Cement Rain was a thrash metal band from Porto Alegre, Rio Grande do Sul, Brazil, formed in 2009. The band self-released their debut album Escaping from the Apocalyptic City on November 27, 2009, a twelve-track record rooted in old-school thrash with aggressive, urban-themed lyrics. The group later split up and had released music available on SoundCloud and Spotify.

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.

Cenagal is a thrash metal band from Quilpué whose debut demo, released in August 2018 through Valparaíso distro Los Restos Dela Esfera, announced a sound shaped by classic extreme thrash forebears including early Sepultura, Slayer, Kreator, Pestilence, and Sodom. Their self-described "dirty and streetwise" approach grounds the band firmly in the street-level thrash tradition of the Chilean underground.

Cenotafio is a black/death metal duo from Temuco, formed in 2015 by guitarist/vocalist Daniel Hermosilla and drummer/vocalist Patricio Kusnir, both veterans of the southern Chilean underground through prior projects Odrum and Invehertex. Their debut demo "El Encierro de las Grandes Revelaciones" (2015) established a cavernous, slow-burning sound that carried through their debut full-length "La Fatídica Excrecencia de la Subtierra" (Memento Mori, 2017), the sophomore "Larvae Tedeum Teratos" (Blood Harvest, 2019), and the 2026 third album released on vinyl through Demoniac Productions.

Centaurus was a doom metal band from Franca, São Paulo, Brazil. The group is documented on Metal Archives and released material during their active period, including a split release and a demo cassette titled Awakening recorded in Franca. The band was unsigned and operated independently throughout their existence before splitting up.

Centennial is a doom metal band from the ABC Paulista region of greater São Paulo, Brazil, with roots tracing back to 1995. The band plays traditional doom metal that departs from the guttural vocal approach common in extreme metal, instead incorporating elements from the classic doom school, and released an album in 1999. The act has remained unsigned and independent throughout its history.

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.

Cerberus Attack is a thrash metal band formed in 2009 in the São Mateus district of São Paulo, drawing heavily on 1980s American and European thrash influences. They released their debut full-length "From East With Hate" in 2017, followed by "Abyss of Lost Souls" in 2021 on Thrash or Death Records. The band has shared the stage with international acts such as Vio-Lence and Exhorder at the Kool Metal Fest in São Paulo.