Feios Sujos e Malvados is a groove/thrash metal band from Marabá, Pará, Brazil, formed in 2013 and known for acidic, politically charged lyrics blending crossover and hardcore aggression. The band released their debut album Tortura in 2016 through Legacy Studio in Belém, followed by Crime & Castigo, their second full-length. Founding members include vocalist Noriel Biscoito, guitarist Geraldo Capilé, bassist Mauro Cavera, and drummer Henrique Aranha; the band has shared stages with established acts including Torture Squad and Nervo Chaos.

FireGun is a groove and thrash metal band from Guarulhos, São Paulo, Brazil, formed in October 2009. Their debut EP What's the Reason?, recorded in February 2013 at Estúdio GR in São Paulo, features four tracks and showcases the band's lineup of vocalist Raimundo Rodriguês, lead guitarist Ricardo Oliveira, rhythm guitarist Ivan Santos, bassist Samuel Martins, and drummer Yuri Alexander. The band was working toward a debut full-length titled Inheritance of a Blind Nation as of 2017.

Fuenteovejuna was a Buenos Aires groove/death metal band that released a self-titled four-track album on July 9, 2018. The band blended groove metal and death metal with elements of thrash, and split up after a short run.