Craneo is a thrash/death/groove metal band from Corrientes, Argentina, whose lineup includes Walter Gómez on vocals, Ariel Flores on guitar, David Vallejos on bass, and Ariel Duarte on drums. They released a six-track demo in March 2020 and appeared on the compilations "Medellín Death Zone Vol. 1" and "Death To Capitalist Grind Volume One" with tracks including "Cura crucificado" and "Eres cadáver".

Crente is an extreme metal band from João Pessoa, Paraíba, Brazil, formed around 2022–2023 by members including Juan Apolinario (ex-Insecticida) and Marciel Argentina (Tiranicídio). The trio blends death and thrash metal under the sardonic self-description of "extreme gospel music," and released the compilation album Analects in October 2023, collecting their recorded output up to that point.

Cristo is a groove/death/thrash metal band from Río Cuarto, Córdoba, Argentina, formed in 2023. The band released a self-titled EP available on their Bandcamp page, carving out a heavy, riff-driven sound within the Córdoba metal scene.

Cruscifire is a death metal band from Atibaia, São Paulo, Brazil, formed in 2005 and rooted in the Brazilian extreme metal underground. The band began with a death/thrash approach before shifting toward a heavier death metal sound, releasing two demos, a full-length, and an EP over their first decade. Their 2016 album Hellspawn, recorded at Undead Studio in Atibaia, showcases eight tracks of raw, unrelenting death metal drawing on classic horror themes.

Crux Cullum is a death/black metal band from Belo Horizonte, Minas Gerais, Brazil, formed in 2007. The band operates within the underground extreme metal scene of Belo Horizonte, a city with a long tradition of producing extreme metal acts, blending black and death metal elements in their sound.

Cülpado is a death/thrash metal project from Curitiba, Paraná, Brazil, founded in 2021 by Jefferson Verdani, a drummer known from bands including Murdeath, Axecuter, and Sad Theory. Operating largely as a one-person effort, Verdani composed, recorded, and performed all instruments and vocals on the debut album Romper da Realidade, released on December 15, 2021 via Kill Again Records. The album's lyrics draw from the crimes of Brazilian serial killers, with the title inspired by a phrase used by forensic psychiatrist Guido Arturo Palomba.

Darchitect is a death/thrash metal band from São Paulo, Brazil, founded in 2014 by Alex Marras, Gabe Gifoli, and Lucas Coca — alumni of bands Hawker Hart and Vennegorth. The band's name fuses "dark" and "architect," reflecting themes of hell, chaos, depression, and society; their debut album Mechanical Healing was released in March 2017 via Die Hard Records after being tracked at The Bunker studio in São Paulo.

Dark Ages is a death/thrash metal band from Goiânia, Brazil, listed on Encyclopaedia Metallum since their early activity with demos including Wild and Dark Places and Pesadelo released in 2004, before re-emerging under their current active lineup. The band plays aggressive extreme metal rooted in the thrash and death traditions of the Brazilian metal underground.

Darkway was a death/thrash metal band from Presidente Prudente, São Paulo, Brazil, formed in 2004 and later split up. The band explored themes of religious hypocrisy, politics, and the macabre, and released the EP “Court of Iron” in January 2015 through the Digital Yourself label.