Chaos Realm is an independent thrash and speed metal band from Barbacena, Minas Gerais, Brazil. The band operates as an unsigned act within Brazil's underground thrash metal scene, with lyrical themes centered on death, blood, earth, and souls.

Chumbo is a heavy/speed metal and punk band from São Paulo, Brazil, formed in 2017, drawing heavily on NWOBHM and Motörhead-style influences. The band — featuring Rodolfo Paes on vocals, Gustavo Lord Ripper on guitars, Igor Mephisto Lourenço on bass, and Breno Thunder Bastos on drums — released their self-titled debut album in 2021 to positive underground reception. Their music blends raw punk energy with classic heavy metal riffing in the vein of Mercyful Fate, Thin Lizzy, and Black Sabbath.

Cult of Horror is a black/speed metal trio from Rio de Janeiro, Brazil, formed in 2015 and featuring members with ties to underground acts including Whipstriker, Apocalyptic Raids, Comando Nuclear, and Bordel Inferno. The band released their debut album Babalon Working in April 2016, recorded at Tokaia Studio in Rio de Janeiro, blending first-wave black metal rawness with Motörhead-influenced speed metal and d-beat punk rhythms. Their sound draws thematic inspiration from cult horror cinema and occultism.

Cérbero is a power/speed metal band from São Paulo, Brazil, listed on Metal Archives with an active status. The band plays fast, aggressive metal in the power and speed metal tradition and has released material available on Bandcamp. They share a name with a separate split-up thrash metal act from Recife, Pernambuco.

Damnation City is a speed/thrash metal band from São Paulo, Brazil, signed to Kill Again Records. Drawing influence from the old German thrash school as well as bands like Slayer, Dark Angel, and Razor, the band released the album "Dead and Buried" in 2022, a six-track record covering themes of death, anti-religion, and horror.

Defeater was a speed metal band from Concepción, Chile, formed in 2016 and notable for the powerful vocals of Katherine Llancapan. Their 2017 debut demo 'Endless Ray' featured two original tracks alongside a cover of Agent Steel's 'Bleed for the Godz,' and the cassette version was released by Dying Victims Productions later that year. The band was active until approximately 2018 and also released the 'Galaxtic Dominator' demo tape in 2021.

Deimos was a heavy/speed metal band from Guaratinguetá, São Paulo, Brazil, active from 2000 until eventually disbanding. The band played traditional heavy metal infused with speed metal energy, operating within the São Paulo interior metal scene. They are listed on Metal Archives alongside a separate Brazilian band of the same name from the greater São Paulo area.

Demona is a speed metal project founded in 2007 by Constanza "Tanza" Godoy Díaz (Tanza Speed) in Valparaíso, Chile, with Tanza handling vocals and guitar across various lineups. The band released two full-lengths — "Metal Through the Time" (2012) and "Speaking with the Devil" (2013) — as well as a 2015 EP on Hells Headbangers Records featuring drummer Tormentor of Desaster and mastering by Joel Grind of Toxic Holocaust. The project later evolved into Outline in 2017.

Demön Haunt is a one-man speed metal/metalpunk project from Recife, Pernambuco, Brazil, created and recorded by a single musician using the handle @moshcide. The project released its self-titled debut EP in August 2020, delivering raw speed metal with punk energy and lyrical themes touching on anti-war, anti-fascism, science, and the legacy of Carl Sagan.