TheOGM was born in
Elizabeth, New Jersey, raised in
Linden, New Jersey; Eaddy is from Newark, New Jersey. Both were part of the same performing arts collective, the NJstreetKLAN (also known as the JerseyKLAN) and formed the group in Newark in 2012. They were influenced by hip-hop and gangsta rappers (
DMX and
Bone Thugs-n-Harmony) in their teens, but later began attending underground punk shows in Brooklyn featuring
Japanther,
Cerebral Ballzy and
The Death Set as well as Ninjasonik,
Theophilus London and the A.L.I.E.N. art shows. The band also cites influences that include horror movies and director/former
White Zombie frontman
Rob Zombie. Critics have noted the band's cinematic influences as well as those of its punk and hip-hop roots, though the band has been compared to
Death Grips,
Black Flag,
Big Black and
Bad Brains. The band played the Afropunk Festival in 2014,the SXSW Music Festival in 2015 and Primavera Sound Festival in 2016;
The New York Times Jon Pareles wrote that the performance was a "welcome charge of adrenaline.". They also toured London (with much support from various DJs on
BBC Radio 1), Paris, Brighton and Amsterdam in May 2015. They played the
Eurockéennes,
Vision,
OFF,
Pukkelpop,
Lowlands, Pop-Kultur Berlin,
Iceland Airwaves, and the
Reading and Leeds music festivals in the summer of 2015. The November 6, 2014 episode of
Last Call with Carson Daly featured a segment dedicated to Ho99o9 and their live performance. Ho99o9 collaborated with director Bryan Ray Turcotte and photographer
Estevan Oriol to capture their performance in their video, "Casey Jones/Cum Rag" which was premiered and was hosted by the
Museum of Contemporary Art, Los Angeles. On June 1, 2015, in the official promotional video for the 2015
Gathering of the Juggalos, it was announced that Ho99o9 would be playing the festival as part of the nighttime concerts. Ho99o9 toured the UK, headlining in Brighton, and supporting
Slaves in Newcastle and Birmingham. On December 1, 2016, it was announced that Ho99o9 would be supporting
The Dillinger Escape Plan on their final UK tour in January 2017. Eaddy started off the tour in Norwich by jumping straight into the audience landing on 3 peoples' heads and then running and tackling people through the audience. In June 2017 the band appeared on the
Earache Records stage of
Glastonbury Festival in the UK. On March 29, 2018, the group began their North American Lights Out tour with
3Teeth and
Street Sects. On October 11, 2018,
The Prodigy released the single "Fight Fire with Fire" featuring Ho99o9 from their album
No Tourists. Ho99o9 opened for
Three Days Grace,
Prophets of Rage, and
Avenged Sevenfold on select dates of the End of the World Tour. Ho99o9 opened for
Korn,
Alice in Chains and
Underoath on a Summer 2019 tour. On November 8th, 2025, Ho99o9 opened for grandson in Philadelphia, PA. In December 2020, "Pig Dinner", written in collaboration with N8NOFACE, was featured in the video game
Cyberpunk 2077. The group performed as the in-game fictional band N1v3Z. The group was featured on a song titled "Paralyze" by
industrial metal band
3Teeth. The song was released on August 6, 2021. ==Musical style==