Carnicero is a death metal/grindcore band from Jundiaí, São Paulo, Brazil, catalogued on Encyclopaedia Metallum as a split-up act. The band's lyrical themes encompassed horror, subconscious depravity, death, and atheism, situating them in the tradition of São Paulo's extreme underground scene.

Carnificina is a death metal band from Ibiraiaras, Rio Grande do Sul, Brazil, registered on Encyclopaedia Metallum as an active independent act. The band explores themes of gore, splatter, and death, contributing to the extreme metal underground of Rio Grande do Sul state.

Carniçaria is a death metal band from Porto Velho, Rondônia, Brazil, active and signed to the MS Metal Agency Brasil roster. The band released their debut EP "Carne Moída" in 2018, which is available on major digital platforms.

Carvakas is a death metal band from Santiago, Chile formed around 2010–2012, whose name derives from the ancient Indian materialist philosopher Carvaka — a choice that reflects their commitment to philosophical, non-supernatural lyrical themes. Their four albums — Stultifera Navis (2013), Anti-Platonic Machinery (2015), Flesh Over Bones (2018), and Casus (2022) — combine technical riffing and polyrhythmic structures with progressive elements, each record conceptually grounded in a distinct philosophical tradition.

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.

Chaos Synopsis is a thrash/death metal band from São José dos Campos, São Paulo, Brazil, formed in 2006. The band has released multiple full-length albums including Kvlt ov Dementia (2009), Art of Killing (2013), Seasons of Red (2015), and Gods of Chaos (2017), and has toured in both Brazil and Europe. Their approach blends thrash and death metal while drawing thematic concepts from each album — ranging from madness and serial killers to historical conquerors.

Chemical Disaster is a death metal band from Santos, São Paulo, Brazil, formed in 1993 out of members of the local thrash band Ignorance. Their debut album "Resurrection" was released in December 1993 on Cogumelo Records, followed by "Scraps of a Being" (2000) and "Third Wound" (2011) on Violent Records. The band's sound blends chunky, mid-paced death metal with aggressive riffing and remains active as one of the most enduring extreme metal acts from the Santos coastal region.

Child o' Flames is a melodic thrash/death metal band from Curitiba, Paraná, Brazil, formed in the mid-2000s. The band draws heavily from melodic death metal and has shared stages with international acts such as Sepultura, Misfits, Biohazard, Suicidal Tendencies, and Grave Digger. In 2020 they returned from a hiatus with the single "Reach Out The Sky" and the album "A New Rising," which was nominated in the Best Album category at Brazil's Roadie Crew annual awards.