Carro Bomba is a heavy metal band from São Paulo, Brazil, known for performing in Portuguese and cultivating a raw, street-level Thrash'n'Roll sound. The band gained recognition with the 2008 album "Nervoso," later cited by Roadie Crew magazine as one of the best releases in Brazilian heavy music history. They continued releasing material through the 2010s and into the 2020s, with their sixth studio album "Migalhas" arriving in 2023.

Carttada is a speed/heavy metal and hard rock band from Curitiba, Paraná, Brazil, born from a project that evolved into its current form by the early 2020s. The band is signed to the label RTR Records and released their debut album "Recharged" in January 2022, recorded and produced by guitarist Aly Fioren at Funds House Studio in Curitiba. Comparisons to Motörhead have followed the band in the Brazilian press.

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.

Castellica is a heavy/power metal band from Paraguaçu Paulista, São Paulo, Brazil, originally founded in 2011 by vocalist Thiago Colavite and guitarists Danilo and Lucas Colavite. Drawing influence from Iron Maiden, Helloween, and Blind Guardian, the band blends classic heavy and power metal with prog metal elements, built around epic riffs, technical solos, and themes of medieval fantasy and human experience. They released their debut full-length album, Moment of Glory, on February 5, 2021, and have performed alongside acts such as Sepultura at the Rock Rio Pardo festival.

Castlevania is a Brazilian power metal band formed in 2004, featuring Gabriel on guitar and bass, Julia on vocals and keyboards, Rayana on guitar, and César on vocals. The band draws heavy thematic inspiration from dark fantasy and the Castlevania video game series, and released their debut demo Castle of Power in 2006, which included a cover of the iconic track "Bloody Tears" from Castlevania II. Their music has been described as epic, free-flowing power/speed metal with fluid and dynamic songwriting.

Castración is a solo project by Santiago-based artist Lucero Guerra, active from 2018, blending raw black metal, harsh noise, and power electronics under the conceptual framework of the body as an instrument of war. The project released Terrorismo Corporal (2018) and Regímenes Carnales (2019), the latter issued as a limited handmade cassette through Octavo Canto, with themes drawn from biopolitics, queerness, and state violence.

Castrivenian is a Brazilian raw black metal project formed in 2024, drawing clear inspiration from the European second-wave scene of the mid-to-late 1990s, particularly early Satanic Warmaster, early Marduk, and Moonblood. In their first year the project released two demos — S.H.T.I. (April 2024) and Eternal Fog's Rebirth (2024, with a cassette release through Wolfkult Religion) — plus a split, demonstrating rapid and prolific output rooted in a harsh, orthodox black metal aesthetic.

Catacumba is a black metal band from Serra, Espírito Santo, Brazil, formed in December 2003. Their sound blends the primal aggression of South American black metal with the frostbitten atmosphere of the Scandinavian scene, with lyrical themes spanning philosophy, nihilism, and hatred. Their debut full-length album Kratos was originally released in 2010 through Onslaught Records and reissued on CD in 2014 by Fallen-Angels Productions with a live bonus track.

Cataplasma is a thrash/death metal band from Los Ángeles in Chile's Biobío region, originally formed in the early 2000s under the name Carga before settling on their current name. Drawing influence from Chilean legend Dorso as well as international acts like Slayer and Sepultura, the band recorded their debut demo Gore Demencia in 2007 and have remained active in the regional underground metal circuit.