Confounded is a death metal band from Recife, Pernambuco, Brazil, formed around 2013 and active in the northeast Brazilian extreme metal scene. The band plays heavy, groove-inflected death metal and maintains a presence on Bandcamp and Instagram under the handle @confoundedband.

Conjurador is a black/death metal project from Porto Alegre, Rio Grande do Sul, Brazil, formed in 2021 with themes centered on Satanism and occultism. The band released multiple demos in their first year of activity and followed up with the EP "Conjurers of the Infernal Key" in 2022.

Consumed is a death metal band from Quillota whose recordings have appeared through Chilean extreme metal label Mushantufe Productions, including the EP "Dehumanize to Demonize" (2015) and the rehearsal cassette "Profanation" (2017). Their lyrical focus on anti-religion, misanthropy, and blasphemy situates them within the blasphemous Chilean death metal underground.

Contemptible Ruins is a death metal and crust punk band from Brasília, Brazil, formed in 2021. Their sound blends stenchcore and death metal influences, drawing comparisons to the rawer end of the crust/death spectrum. The band has released several recordings including a self-titled debut (2021), "The Radicalization of Human Pathology" (2022), and "Point of No Return" (2023).

Convulsive is a Brazilian old-school death metal band formed in 2020, with members split between Cuiabá (Mato Grosso) and Rio de Janeiro, who composed and recorded their debut entirely remotely. Their first album, "The Grotesquery Ruins of Death" (2022), drew praise for its thick, murky sound reminiscent of early 1990s Finnish and American death metal, and earned an 8/10 from Metal Forces Magazine. The project grew out of members' involvement in other Brazilian extreme metal bands, including Feretral and Obscure Relic.

Coprofago is a death metal band from Rosario de Lerma, Salta, Argentina, with a lineup that includes Eduardo Moure on vocals and guitar, Hernan Salas on guitar, Jorge Lopez on bass, and Francisco Rioja on drums. They released the album Hay Tanta Sangre en Mi in 2009 and followed it with Cínica Redención in 2015 via Schizophrenia Records, a record defined by brutal, morbid riffing and visceral lyrical themes.

Corchazo is a death metal and grindcore band from Montevideo, Uruguay, who released their debut demo in May 2025. The six-track self-titled demo spans grinding hardcore punk and deathgrind territory, including tracks such as "Mi Infierno" and a series of numbered "Corchazo" cuts. They are among the newest entries in Montevideo's underground extreme metal scene.

Corporate Death is a death metal band from Jundiaí, São Paulo, Brazil, whose name was inspired by the band Macabre and whose lyrical themes center on anti-religion, nihilism, and mortality. The band has released several albums independently, including “Angels & Worms” (2013) and “Terminate Existence” (2019), released via Brutaller Records. They are currently listed as on hold.

Corpsehammer is a Chile/Sweden collaborative death/black/thrash metal project based in Dalarna, Sweden, featuring members from Swedish black metal band Omnizide alongside Chilean collaborators. The band issued three EPs in rapid succession — "Sacrilegio" (2017), "Posesión" (2017), and "Perversión" (2018), all as limited cassette runs — before consolidating them into the compilation "Sign of the Corpsehammer" (2019) and releasing their debut full-length "Metal de la muerte" via Bestial Invasion Records the same year, a record drawing heavily from Hellhammer, Sarcófago, Celtic Frost, and Darkthrone.