Ceasefire is a power metal band from Buenos Aires, Argentina, whose lineup features vocalist Horacio Alippi, guitarist César Delgado, bassist Andreas Alippi, keyboardist Daniel Tkach, and drummer Pablo Nardelli. The band has been active in Buenos Aires' metal scene since the early 2000s, releasing a demo in 2005 and continuing to develop their melodic, keyboard-driven power metal sound over the following years. Their blend of soaring vocals and dynamic arrangements places them firmly within the Latin American power metal tradition.

Cefem is a heavy metal band from Casilda, Santa Fe, Argentina, that released three recordings in quick succession: the album Historias Oscuras in April 2016, Pateando con el Rock n' Roll in September 2016, and Rictus Umbrio in November 2017. Their lyrical themes draw on myths, urban legends, and ancient literary sources, lending their straightforward heavy metal a distinctly eerie character. Tracks like "La Hija Malvada" and "El Farol del Diablo" from Rictus Umbrio showcase the band's appetite for dark storytelling within a classic Argentine metal framework.

Ceifador is a one-man thrash and speed metal project from Sorocaba, São Paulo, Brazil, created by Clayton Maximinus, a former guitarist of the thrash band Alcoholikiller. Active from 2003 through approximately 2020, the project released a string of independent albums including “Alcoholic Speed Metal” (2010), “Heavy Metal 666” (2014), and “All Hell Breaking Loose” (2020), all self-described as “Alcoholic Speed Metal from Hell.”

Ceiffador is a thrash metal band from Rio de Janeiro, Brazil, formed in 2013. The band is listed on the Encyclopaedia Metallum and maintains an active presence in the Brazilian underground thrash scene. Their name, a deliberate alternate spelling of the Portuguese word for “reaper,” reflects the aggressive, death-fixated aesthetic common to the Brazilian thrash tradition.

Celestial Funeral is a doom and stoner metal project from Rio Claro, São Paulo state, Brazil, formed in 2020. Their first recording, “Tubal Cain – People of Goda,” blends stoner and doom metal with passages into black metal, and was released as a single in 2020 on Bandcamp and Spotify. The project is dedicated to exploring the sonic diversity of heavy metal across its heavier sub-genres.

Celestial Oblivion is an atmospheric/ambient black metal band formed in São Paulo, Brazil in 2012. The band released their debut EP Cosmic Descent: A Prologue For Human Plague in May 2012, followed by the full-length The Arrival of the Fallen God in September 2013. Their sound draws on cosmic and cosmological themes, blending ambient textures with black metal aggression.

Cement Rain was a thrash metal band from Porto Alegre, Rio Grande do Sul, Brazil, formed in 2009. The band self-released their debut album Escaping from the Apocalyptic City on November 27, 2009, a twelve-track record rooted in old-school thrash with aggressive, urban-themed lyrics. The group later split up and had released music available on SoundCloud and Spotify.

Cemitério is a death/thrash metal project from São Paulo, Brazil, formed in 2014 by multi-instrumentalist Hugo Golon. The band's self-titled debut album, recorded at RH Studios and released in 2014, draws heavily on classic horror films of the 1970s and 1980s for its lyrical themes, taking influence from early death metal acts such as Possessed, Death, and Pestilence, as well as Brazilian legends Sepultura, Mutilator, and Vulcano. The project is released through Kill Again Records.

Cenagal is a thrash metal band from Quilpué whose debut demo, released in August 2018 through Valparaíso distro Los Restos Dela Esfera, announced a sound shaped by classic extreme thrash forebears including early Sepultura, Slayer, Kreator, Pestilence, and Sodom. Their self-described "dirty and streetwise" approach grounds the band firmly in the street-level thrash tradition of the Chilean underground.