Chaotic Desolation is a one-man melodic death/thrash/black metal project from Osasco, São Paulo, Brazil, founded by multi-instrumentalist Thiago Alboneti, who is also known for his work in Beyond Chaos and Infinity of Thoughts. The project released its debut album Biological Sonnet in March 2024, drawing influences from Machine Head, Iced Earth, Nevermore, and Lamb of God.

Chapel of Bones is a solo death/doom metal project from the suburbs of São Paulo, Brazil, formed in 2025 by a musician credited as The Conductor. The project released its debut EP "Veil of Darkness" in October 2025, a three-track release described as trading in crushing riffs and funereal atmosphere with lyrical references that include Shakespeare. The project is unsigned and independently released.

Charles Soulz Project is a progressive rock/metal project from Rio de Janeiro, Brazil, founded in 2020 by keyboardist and songwriter Charles Soulz. The project draws influence from artists such as Neal Morse, Pain of Salvation, Ayreon, Haken, and Steven Wilson, with lyrics exploring themes of human consciousness and social criticism. Releases include the concept album "Split Mind" (2021) and "Trilogy of Mankind" (2023).

Chemical Disaster is a death metal band from Santos, São Paulo, Brazil, formed in 1993 out of members of the local thrash band Ignorance. Their debut album "Resurrection" was released in December 1993 on Cogumelo Records, followed by "Scraps of a Being" (2000) and "Third Wound" (2011) on Violent Records. The band's sound blends chunky, mid-paced death metal with aggressive riffing and remains active as one of the most enduring extreme metal acts from the Santos coastal region.

Cheol is a black metal band from Goiânia, Goiás, Brazil, active and independently released. The band has been noted in the Brazilian metal press as a distinctive force in the national black metal underground, releasing material through their Bandcamp page. They remain unsigned and active in the Goiás extreme metal scene.

Chifre Negro is a black metal band from São Luís, Maranhão, Brazil, formed in 2015. The band operates independently within the Brazilian extreme metal underground and is listed as active on the Metal Archives. Their name translates to "Black Horn" in Portuguese.

Child o' Flames is a melodic thrash/death metal band from Curitiba, Paraná, Brazil, formed in the mid-2000s. The band draws heavily from melodic death metal and has shared stages with international acts such as Sepultura, Misfits, Biohazard, Suicidal Tendencies, and Grave Digger. In 2020 they returned from a hiatus with the single "Reach Out The Sky" and the album "A New Rising," which was nominated in the Best Album category at Brazil's Roadie Crew annual awards.

Children of Elara is an independent progressive/doom metal band from Paraná, Brazil, formed in 2017. The band blends crushing riffs with atmospheric, melancholic textures, drawing on themes of isolation and cosmic sorrow. They are listed on Encyclopaedia Metallum as an active unsigned act and release their music through their Bandcamp page.

Childslave is a Chilean black metal solo project that describes its output as "Miserable Black Metal," drawing on poetry by Charles Baudelaire for song titles and lyrical themes. Their self-titled debut tape, originally pressed in a limited edition of 50 copies, was released in June 2024 and spans twelve tracks across roughly 44 minutes of bleak, lo-fi black metal.