Optofobia is a grindcore band from Merida, Venezuela. Active since at least 2014, they have released a series of EPs including "Corporotocracia" (2014), "Existencia en decadencia" (2015), and "Hacia el matadero" (2019), as well as splits with international acts like Dalle Killers and Nastiness.

Organismos is a death metal/grindcore band from Medellín, Antioquia, Colombia, active since 2001. The band features members with roots in the Colombian underground scene, including a guitarist who previously played in pioneering Colombian acts Parabellum and Herpes. They have released three full-lengths — "Organismos" (2006), "Manejos Invisibles" (2011), and "Control del Miedo" (2017) — on labels including Me Saco un Ojo Records and Tribulación Productions.

Os Capial channel the interior São Paulo caipira culture into abrasive grindcore, with lyrics, imagery, and speech all rooted in the rural working-class world their name pays tribute to. Since their 2015 debut Nossa Grindroça Querida they have maintained a prolific pace, releasing titles like Grindiagem Deatherra (2016), Emboscada Caipira de Plasma (2017), and Chichá - Sterculea Foetida (2018), each one hammering the collision of regional identity and extreme noise.

Osculum Obscenum built their reputation on ferocious black metal shot through with grindcore aggression, with their 2003 album Body Hurting Art cited by Brazilian underground historians as one of the most significant extreme metal releases the country produced in that era, alongside landmarks like INRI and Wicca. They later returned with material including Engendrum and Avances de Muerte before eventually disbanding, leaving behind a catalog regarded as visceral and uncompromising even by the standards of the Satanic underground.