|Despised Icon was founded in January 2002 in Montreal, Quebec, Canada. Shortly after their formation, the group signed with Galy Records, and released their debut album, Consumed By Your Poison in October of that year. The following year, Despised Icon had undergone several changes in their lineup. In early 2004, the group returned with a new formation, consisting of two vocalists Steve Marois and Alexandre Erian, guitarists Yannick St-Amand and Eric Jarrin, bassist Sebastien Piche, and drummer Alexandre Pelletier, and recorded a self-financed EP entitled Syndicated Murderers, followed by a split EP with Bodies In The Gears Of the Apparatus, issued through Relapse Records.
Despised Icon signed a worldwide deal with Century Media in January 2005. Despised Icon released their second studio album, The Healing Process, through the label on April 5, 2005. It was produced by the band's guitarist Yannick St-Amand, mixed by Jean-Francois Dagenais and mastered by Alan Douches.
Despised Icon toured in support of The Healing Process in 2005, alongside artists including Cryptopsy, Quo Vadis, Vader, Suffocation, Aborted, Immolation, Deicide and continued touring into 2006 with Through The Eyes Of The Dead, Ed Gein, Morbid Angel, Behemoth, Hatebreed, Exodus, The Black Dahlia Murder and Napalm Death. During the same year, their debut album, Consumed By Your Poison, was re-released through Century Media. In early 2007, they went on tour supporting Unearth, along with Job For A Cowboy and Dååth.
The band's third studio album, The Ills Of Modern Man, was recorded and released in 2007 through Century Media Records and was produced by their former guitarist, Yannick St. Amand. That summer, they toured supporting Job ForAa Cowboy along with The Faceless and A Life Once Lost. Following that tour, they went on tour supporting Suicide Silence, along with Winds Of Plague. In the winter of that year, they toured with The Acacia Strain, Full Blown Chaos, The Tony Danza Tapdance Extravaganza and Ligeia. They also toured supporting Misery Index, along with Beneath The Massacre and Man Must Die. On 18 June 2008, the original bassist Sebastien Piché has left the band due to him having a full-time job and being a new father. Piché was replaced by Max Lavelle from Goratory. They were then on the 2008 Summer Slaughter Tour alongside The Black Dahlia Murder, Vader, Cryptopsy, The Faceless, Aborted, Born Of Osiris, Psycroptic and Whitechapel.
In late October 2008, Despised Icon announced the details of their first DVD, entitled Montreal Assault, which was released January 27, 2009. The DVD features a multi-camera shoot from the band's sold-out hometown show, along with a documentary, in addition to all their music videos. It was originally intended to be released on January 17, but was delayed due to manufacturing problems. In December 2008, guitarist Al Glassman left Despised Icon to join Job For A Cowboy, in replacement of their original guitarist Ravi Bhadriraju. During their 2009 Montreal Assault Tour, Despised Icon announced that they were recording a new studio album, entitled Day Of Mourning, that was released on 22 September 2009 by Century Media Records. On July 17, 2009, Despised Icon released their song "MVP", as the first song off of Day Of Mourning onto the web. They played on the 2009 Thrash And Burn Tour alongside DevilDriver, Emmure, Veil Of Maya, For the Fallen Dreams, Oceano, Periphery, MyChildren MyBride, and Thy Will Be Done. Their fourth album Day Of Mourning was released as scheduled on September 22, 2009, and reached #162 on the Billboard 200 as of September 30, 2009. A music video was created and released for the title track of the album.
On April 7, 2010, Despised Icon made an announcement that they will be disbanding. They explained that this is due to the members of the band reaching "a new chapter in their lives, starting families, buying houses and pursuing other careers to make it all happen. Writing music, touring and leaving home for months at a time is slowly becoming impossible because of that. We all decided that it'd be best to pull the plug now and end things right." Their farewell European tour included an appearance at the Hevy Music Festival on August 7, 2010 near Folkestone, UK.
During the year of 2010, Despised Icon played their United States, Australia, Japan, European, and Canadian Tour. On December 2, 2010, Despised Icon performed their final four shows in Toronto (December 2 and 3), along with The Acacia Strain, Ion Dissonance and Oceano, Ontario and their hometown of Montreal, Quebec (December 4 and 5). These shows included their current line-up as well as the past line-ups from their first two records.