Coágulo is an ambient black metal project from Rafaela, Argentina, active since 2018. The project blends atmospheric texture with black metal darkness, as heard on releases including the 2018 debut Coagulation Times and the 2025 album Angst.

Cracked Skull is a death/thrash metal power trio from Itaúna, Minas Gerais, Brazil, formed in 2014 by former members of Calvary Death and Deadliness. The band combines old-school thrash and death metal with progressive arrangements and socially critical lyrics, debuting with the independently released album "Social Disruption" in 2017.

Craft Sword is a traditional heavy metal band from Buenos Aires formed by Johan, also known from the bands Interceptor and Abomine, alongside vocalist Poli Serafini of Bulletproof — the project wears its NWOBHM and epic metal influences openly, citing Manilla Road, Omen, and Blitzkrieg as touchstones. They released their debut EP "The Furious The Savage The Wild" in February 2021, followed by the eight-track album "Hyborian Age" in September 2022, both drawing heavily on sword-and-sorcery themes.

Cranial Crusher is a thrash/crossover punk trio from São Bernardo do Campo, São Paulo, Brazil, active since around 2010. The band blends thrash metal with crust punk and hardcore, and has released the EPs "Necrópole" (2016) and "Putrefakt" (2018), along with their debut full-length "Ciclo da Degradação" in 2023.

Cras is a sludge metal band from São Paulo, Brazil, formed around 2019 and known for blending sludge, doom, and hardcore influences. The band released their debut EP "Desperato" as the first installment in a planned trilogy, drawing comparisons to Brazilian underground acts and featuring guest appearances from members of Torture Squad.

Crashkill is a thrash metal band from Fortaleza, Ceará, Brazil, formed in 2016. The band released the EP "Hate Zone" in 2017 and followed it with their debut full-length "Consumed by Biomechanics" in 2020, delivering aggressive, riff-driven thrash metal in the tradition of the Brazilian extreme metal scene.

Crehate is an independent thrash metal band from Curitiba, Paraná, Brazil, listed on the Metal Archives and active under the name Born CreHate. The band plays thrash metal with lyrical themes centered on war, politics, and social issues.

Cremasma is a black metal band from Sumaré, São Paulo, Brazil, originally active from 2012 to 2014 before reforming in 2023. The band plays raw black metal with anti-Christian and misanthropic themes, and released a demo in May 2023 as an independent digital release.

Cremation Pyre is a three-piece thrash/black/death metal band from Santiago, Chile, active since the late 2010s. The band recorded their rehearsal session "The Flame Begins" in 2018 and followed it with their self-titled EP in September 2019, which was recorded and mixed by B. Barrantes at Necrotic Studios, featuring original material alongside a cover of Schizo's "Electric Shock".