HellgardeN was a groove metal band from Botucatu, São Paulo, Brazil, featuring vocalist Diego Pascuci, guitarist Caick Gabriel, bassist Guilherme Biondo, and drummer Matheus Barreiros. The band signed to American label Brutal Records and released their debut album Making Noise, Living Fast in 2020, recorded direct to tape at ForestLab Studios in Petrópolis and mastered by Alan Douches, who is known for his work with Motörhead and Sepultura. Their sound drew comparisons to Pantera and Crowbar, blending groove metal heaviness with sludge-influenced tones.

Hellhoundz is a heavy metal band from Fortaleza, Brazil, formed with the stated goal of producing original music rooted in the New Wave of British Heavy Metal tradition, citing influences including Iron Maiden, Judas Priest, and Saxon. The band released a self-titled EP in 2018 and followed it with the debut full-length album The Battle of the Somme in December 2019, which received international attention and was made available on Bandcamp and Spotify.

Helliancy is a black metal band from Assis, São Paulo, Brazil, formed in 2017. The band plays old-school Brazilian black metal and released their debut EP "Alliance From Hell" in February 2017, a five-track recording featuring tracks such as "Church Destroyer" and "Carnivore Christ". They have continued releasing material independently through Bandcamp.

Hellige is a black/sludge/doom metal project from Morón, Buenos Aires, that began as raw black metal recordings before evolving into a heavier, more atmospheric sound. Their 2021 album "Camino de agua", released through Dying Sun Records and mixed and mastered by Facundo Brinville, is the product of material written and recorded between 2014 and 2021.

Hellish is a thrash metal band from Belo Horizonte, Minas Gerais, Brazil, formed in 2020. The band released the EP "Internal Uprising" in December 2025, featuring tracks including "Echoes of Oppression" and "Scars of an Internal War". They release independently through their Bandcamp page under the handle hellish-bh.

Hellish Fist is a one-man black speed metal project from Pereira (operating out of Dosquebradas), Colombia, formed in 2019 by the sole member known as Crossfucker. The project released the EP Alliance of Necrofuckers in September 2019 followed by Street Command in June 2020 via Metal Force Records, both rooted in the raw, lo-fi spirit of old-school speed metal and evil rock and roll. Drawing on Bathory and classic NWOBHM aggression, Hellish Fist pays direct homage to the old masters of underground metal.

Hellish Grave is a black/speed metal band from Osasco, São Paulo, Brazil, formed in 2011. Drawing influence from Vulcano, Sodom, Celtic Frost, and Venom, the band released their debut album "Worship Macabre" in 2016 on Kill Again Records (limited to 1,000 copies), followed by "Hell No Longer Waits" in 2019 on Portugal's Helldprod Records. Their line-up has featured Hellish Angelcorpse on vocals and members including Butchereaper, Marcelo "Genocídio", Witchripper, and Igor "IronHammer".

Hellish War is a heavy/power metal band from Campinas, São Paulo, Brazil, active since 1995. Their 2001 debut "Defender of Metal" became a cult item in Brazilian traditional metal circles, with German fans citing it among the finest Brazilian heavy metal albums of its era. Their 2019 album "Wine of Gods" features a guest appearance by Chris Boltendahl of German act Grave Digger on the track "Warbringer".

Hellishkiller is a black metal band from Paulista, Pernambuco, Brazil, formed in 2017. The project is largely the work of a single multi-instrumentalist handling vocals, bass, and guitar, with Leandro Cavalcanti on drums, and released the track "Unholy Black Spell" in January 2017 as their first recording. The band appeared on the 2016 Brazilian compilation "Coletânea Abissal" with the track "Celebrate the Day of Chaos".