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.

Creación y Muerte is a death metal band from Quito, Ecuador, formed in 2020 and rooted in old-school death metal with elements of doom-death and thrash. Their 2020 release Necrodeimos II draws on recordings made at the winter solstice, reflecting a raw and ritualistic approach to the genre.

Creatures is a traditional heavy metal band from Curitiba, Paraná, Brazil, founded by guitarist Mateus Cantaleano and vocalist Roberto Scienza in 2019. Drawing on the sounds of '80s acts like Enforcer, Saxon, and Dokken, the band signed with Polish label Iron Oxide Records and released their self-titled debut album in October 2021, standing out in Brazil's extreme-metal-dominated scene by championing classic heavy metal.

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".

Cremator is a thrash/black metal band from Derqui, in the greater Buenos Aires province of Argentina, active within the Argentine underground metal circuit since 2013. The band appeared on the "Legion Thrasher Compilation - Argentina Thrash Metal Underground Vol. I" released by Overflesh Records in a limited hand-numbered edition of 250 cassettes, sharing space with acts including Tungsteno, Prozak, and Ammentia.

Crematorio is one of Argentina's pioneering death metal and grindcore bands, active in Tigre, Buenos Aires since the early 1990s alongside fellow scene originators Exterminio and Scud. Their first full-length, "El Rostro de la Opresión", appeared in 1995 and established their focus on themes of social corruption and gore; the band continued releasing material across multiple active periods and issued a reissue of the album through Careless Records.

Crematorium is an active Brazilian thrash/death metal band signed to Satanic Hellbangers Records. The band has contributed to several underground compilations, including The Sound of Satanic Hellbangers Vol. III, and remains a part of Brazil's underground extreme metal circuit.