Imflawed is a groove/thrash metal band from Recife, Pernambuco, Brazil, formed in 2019 and comprising Arthur Santos (guitar/vocals), Jefte Felipe (lead guitar), Alisson Nascimento (bass/vocals), and Paulo Henrique (drums). The band released the live album "Live at Hellcife" in April 2021, recorded at L.A. Studios in Recife and featuring a tribute to local legends Chico Science e Nação Zumbi woven into the set.

Immanis is a death metal band from Jujuy in northwestern Argentina, signed to Traumatic Records, who released their debut EP Masacre mundial on September 15, 2016. The recording was tracked in July 2016 at Eko Estudio in Salta and mixed and mastered by Matías Takaya at AV Estudio in Córdoba.

Immemoriam is a melodic doom/death metal band founded in 2017 in Cali, Colombia, by original members of local act Nameless. The lineup was completed in 2018 with Demolt on drums (ex-Misty Fate, ex-Liturgia), Jaime G. on vocals (Dissention), and William T. on keyboards (Alpha Cygni), and the band has released the singles Arrival (2018) and Prey of Oblivion (2019).

Imminent Attack is a thrash/crossover metal band from Barueri, São Paulo, Brazil, formed in 2012. Their debut album "Deliver Us From Ourselves" (2012), produced at Casanegra studio, delivered fourteen tracks of high-speed thrash with D.R.I. and Suicidal Tendencies-influenced crossover edge, and featured a guest appearance by Pedro Poney of Violator on the track "St. Madness".

Imminent Doom is a black/thrash metal band from Rio de Janeiro, Brazil, formed in 2016. The band released their debut EP "Guerra Iminente" in October 2016, followed by the album "Ataque!" in December 2020. Their sound draws on the aggressive traditions of Brazilian black and thrash metal, delivered with raw, independent production.

Imminentchaos is a crossover metal band from Santo André, São Paulo, Brazil, active since 2006. The band released the album "Days of Disgust", recorded and mixed at Da Tribo Studios in São Paulo and mastered by Alan Douches at West West Side Music in New York, demonstrating a polished underground approach rare for the local scene. Their catalog, released through Terceiro Mundo Chaos Discos, blends metal aggression with hardcore energy.

Immortuos is a death metal band from Marília, São Paulo, Brazil, formed around 2012 by guitarist and vocalist Jabah Contardi, bassist Rogério Pereira, and drummer João Moreira. The trio released the demo "Infanticídio" in 2012 and followed it with the album "Estágio Terminal" in 2014. The band has been on hold since the mid-2010s, leaving behind a compact but focused body of work rooted in old-school death metal.

Imopectore was a heavy/doom/black metal band from Sorocaba, São Paulo, Brazil, drawing on dark, obscure themes across their self-released material. Operating as an independent underground act, the band blended slow doom weight with black metal atmosphere and traditional heavy metal elements. The project eventually split up after a limited activity period in the Brazilian underground scene.

Impacto Profano is a black metal band from Rio de Janeiro, Brazil, founded with the explicit aim of delivering fast, aggressive, and technically sharp black metal. In 2006 the band recorded the demo "Invocation to Destruction of Jehovah and Christianity", which also included earlier material recorded as "Propagation of the Blasphemy" as bonus content. They have remained active within the Brazilian underground black metal scene since their formation.