Cabrocordero is an experimental sludge and stoner metal duo from Buenos Aires, built around bass and drums in a format that recalls Big Business in its stripped-down but crushing heaviness. Their 2011 full-length Namastie Qoh — nine tracks and over fifty minutes of fuzzed-out riffs and noise experiments — earned recognition from international metal press as a standout in South American heavy music. The band has cited a philosophy of musical transmission, describing their compositions as a kind of channel for sonic energy rather than conventional songwriting.

Cachorro da Duença is a grindcore band from Caruaru, Pernambuco, Brazil, formed in 2014. The band channels political indignation and social critique — addressing themes of religion, self-management, and human freedom — through short, furious bursts of extreme music. Their releases include the demo "Degradação Humana" (2014) and the split "4 Ways to Grind" (2017), and they have participated in international underground compilations.

Cactek is a deathrash project from Rio de Janeiro, Brazil, formed by guitarist Pedro de La Rocque with the aim of channeling the raw energy of early death and thrash metal. The band released their debut EP "Sunrise in Hell" in September 2023, produced by Dan Swanö, and was featured among ten notable underground Brazilian acts to watch in 2024. Their sound blends technical thrash with death metal aggression in the tradition of the classic Brazilian extreme metal scene.

Cadalso is a progressive heavy metal band from Santiago, Chile. The band released their self-titled debut album in January 2020 through a consortium of labels including ROAR Records, PureSteel Records, Eonian, and Steel Gallery, featuring seven tracks that blend traditional heavy metal with progressive structures.

Cadaveric Infection is an extreme metal band from Cabo de Santo Agostinho, Pernambuco, Brazil, formed in June 2009. The band began as a brutal death metal act before shifting toward a black/death metal style in later years, with lyrical themes centered on carnage, anti-Christianity, and Satanism. They are signed to Suicide Apology Records and remain active within the Brazilian underground metal scene.

Cadaveric Mutation is a brutal death metal duo from Sorocaba, São Paulo state, Brazil, playing a style described as primitive cavernous death metal rooted in old-school influences. The band released their "Demo 2024" through Iron Fortress Records (USA) in February 2024, followed by the EP "Sexual Devouring and Transmutation" through Demonical Devastation Records in June 2024. Their music draws on the cavernous, putrid aesthetics of early brutal death metal.

Cadaveric Resin is a Chilean slam/brutal death metal and goregrind project consisting of Raniit4 on vocals and drum programming, and Myiasis on bass and guitars. The duo released their debut full-length "Mucosa from the Eye Sockets" in April 2025 through Ultra Noisy Shit Prods., a 12-track effort recorded and mastered at Miasmatic Myiasis Studio.

Cadaverous Incarnate is a brutal death metal band from Santiago, Chile, with roots going back to 1998 and a second active period from 2010 onward. The band released their debut full-length "Fetal and Majestic Rotten Incarnation" independently in 2016, later reissued by Charred Remains Records in 2017, and followed it with "Still Spitting Rotten Vermin" in 2023; they are noted for low-tuned, blast-heavy compositions with slam elements and have shared stages with international acts including Nile.

Cadela Maldita was a thrash metal and crossover hardcore trio from Curitiba, Paraná, Brazil, drawing influence from DRI, S.O.D., Slayer, and Ratos de Porão. The band released albums including "Fight to Survive" (2006), "First Lesson: Hate" (2011), and "The Universe in a Belly Button" (2013), tackling political and social themes throughout their discography. They completed a European tour spanning Germany, Belgium, the Netherlands, Poland, and the Czech Republic in 2012 before splitting up in 2018.