Freak Maniacs are a goregrind trio from São Paulo, Brazil, formed in 2022, consisting of Thales Gory on guitars and vocals, Igor Dead on bass and growls, and Huevo on drums. The band released their debut album "Various Stages Of The Murder Process" in January 2022, recorded at Sotão Estúdio in the Pirituba district of São Paulo and mixed and mastered by Simon Nicolas of Vergoten Records. Their sound blends gore-obsessed lyrical themes with sludge-inflected grind brutality.

Frenetic Trio are a death 'n' roll and psychobilly band from Londrina, Paraná, Brazil, active since 2005. The band combines the heaviness of death metal with the driving rhythms and voodoo atmosphere of psychobilly, producing a sound geared toward the darker end of the genre. Their self-titled debut was recorded at Audio Sonora Studios in Londrina in June 2004 and released in 2005, and the band has remained active in the Brazilian underground ever since.

Freyr is a one-man pagan black metal project from Brazil, active since 2022. The project released the debut album "The Blood of Tharsis" in 2022, followed by the full-length "Ancient Pagan Flame" in May 2023, an eleven-track release distributed through Masters of Kaos. A further full-length, "The Death Embracing," followed in 2024, establishing a prolific output rooted in Norse-pagan imagery and raw black metal aesthetics.

Frieza is a death/post-metal band from Goiânia, Goiás, Brazil, formed in 2017, consisting of Júlio César Baron on drums, Augusto Scartezini on guitar and vocals, and Marco Túlio on bass. The band released their self-titled debut album in March 2017, recorded and mixed between December 2016 and February 2017 at Complexo Estúdio and mastered by Gustavo Vazquez. Their sound melds the heaviness of death metal with the atmospheric sprawl of post-metal.

Frio Insólito is a Brazilian depressive black metal project active since 2020. The band contributed the track "Dor e Angústia" to the compilation DSBM Brazil - Vol. I (2019), placing them within the organized community of Brazilian depressive and suicidal black metal acts.

Frontera del Olvido is a depressive black metal one-man project from Medellín, Colombia, active since 2022. The project has released multiple albums including "Lost In The Darkness," "Anger, Hate and Bitterness," "Días Oscuros," and "Abismo De Soledad," all available independently through Bandcamp.

Frozen Alive is a one-man atmospheric black metal project from General Roca, Río Negro, in Patagonia, Argentina, with all instruments and vocals handled by Mario Villar. The project draws on the vast and isolating landscapes of Patagonia, and their track "Defeated by the Elements" appears on the album "Antarctic Tragedy."

Frozen Tears were a gothic/doom metal band from Valdivia, Chile, formed in late 2001 with a lineup that included violin alongside guitar, bass, and drums. The band released two demos — "Winds of Sadness and Darkness" (2002) and "Midnight Mists" (2003) — before going inactive.

Frummyrkrið is a progressive black and viking metal band from Brazil, formed in 2021 as a trio of three siblings. Their debut album Dauðans Myrkri (2021) — the title meaning "The Darkness of Death" in Icelandic, mirroring the band's Icelandic-derived name meaning "Primordial Darkness" — weaves together progressive rock, ambient textures, and viking metal in the vein of Enslaved, earning a 91/100 score from The Elite Extremophile.