Furit is a thrash metal band from Teresina, Piauí, featuring Tk Santos (bass/vocals), Max Melo and Ulisses Melo (guitars), and Lucas Nannini (drums). The band released their debut album "The Order Remains The Same" in 2017 and followed it with the concept album "Black Mirror" in April 2020, a work examining humanity's relationship with technology and digital misinformation.

Fusilator is a black/speed metal band founded in 2009 in Palmira, Valle del Cauca, Colombia, drawing from the raw traditions of Celtic Frost, Hellhammer, Venom, and Bulldozer. The band issued their debut demo "Victory of the Wolf Brigade" in 2019 through their own Fusil Command Productions imprint as a limited cassette run, and have since released further material on Evil Steel Records.

Futhärk is a folk metal band from Guarapuava, Paraná, formed in June 2013, blending heavy metal with influences drawn from Viking, Celtic, and indigenous South American cultures. The band, whose name derives from the runic alphabet, performed at Guarapuava Rock City 2019 and completed recording of a full-length album in 2021. Their lineup has included guitarist Guilherme Wichinhoski, drummer Felipe Raul Rachelle, and guitarist Pedro Wünsch among its members.

Fuzzter is a stoner metal and rock band from Lima, Peru, formed in 2015 and self-described as "Rock Rápido y Sucio" (Fast and Dirty Rock). The band has released a series of EPs including EP Vol.1 (2015), Postmortem (2021), and Pandemonium (2023), building a catalog of fuzz-driven, riff-heavy material within the Lima heavy music underground.

Fvrest is a black metal band founded in 2022 in Neuquén, Argentina, drawing on second-wave influences from acts like Judas Iscariot and Sargeist. The trio — guitarists Marcos Muñoz and Daiana Ramírez alongside drummer and vocalist Sol Fvrest — released their debut Demo I in 2024 on cassette through Sons of Hell Prod., and performed at the Valle Extremo metal festival in Neuquén in September 2024.

Föxx Salema is a heavy metal project fronted by transgender vocalist Amy Salema from Bragança Paulista, São Paulo, Brazil, active since 2013. The project draws heavily from NWOBHM and classic 1980s power metal, and the debut album "Rebel Hearts" (2020) earned favorable reviews in Brazilian metal media, placing seventh on Roadie Crew Magazine's list of best Brazilian metal albums of that year. Föxx Salema holds the distinction of being the Brazilian transgender metal artist with the most streams on Spotify, and is one of the pioneers of LGBTQ+ representation in the Brazilian heavy metal underground.

Fúria Infernal is a raw black/death metal band from Marília, São Paulo, formed in 2023 and drawing explicit inspiration from Brazilian extremists Sarcófago alongside Blasphemy and Beherit. The band released their debut four-track EP "Às chamas do inferno" in December 2023, with Rafael Cerberus credited on the recording. Their sound channels the lo-fi ferocity of the South American black metal underground.

G-Core is a grindcore and hardcore band from Caracas, Venezuela, assembled from veterans of the local metal circuit. The quartet — featuring vocalist Argenis Dorta, guitarist Gaetano Ianuzzi, bassist Ronnel Flores, and drummer Abelardo Alvarez — blends grindcore ferocity with hardcore aggression and deep lyrical content. Their self-titled album (2023) collects fourteen short, punishing tracks recorded independently.

GaiaBeta is a heavy/power metal band from Feira de Santana, Bahia, formed in 2017 by vocalist Marcos Diantoni, with a lineup that also includes guitarists Lennon Kitaro and Fabio Mesquita, bassist Junior McGyver, and drummer Valter Filho. Twice recognized with national metal awards in Brazil, the band released their debut album "Gate of GaiaBeta" through the Greek label Pitch Black Records in May 2025, drawing comparisons to Iron Maiden, Hammerfall, and Helloween.