Bullet for My Valentine is a Welsh metal band from Bridgend, Wales, formed in 2004. The band originallt started their music career by covering Metallica and Nirvana songs under the name "Jeff Killed John". Jeff Killed John recorded over 14 songs some of which have been leaked while others remain hidden. Two of these songs were later re-made for future albums under the band name Bullet for My Valentine. The Jeff Killed John song: "Eye Spy" was changed to "Hit the Floor" and "Nation to Nation" to "Turn to Despair". There were lyric changes and changes in tempo, guitar, drums, bass, and overall sound. Many others include demos of future singles such as "All These Things I Hate Revolve Around Me". Financial difficulties marked a change in music direction and name for the band and so the band went through numerous name changes such as "12 Pints of My Girlfriends Blood", and "Opportunity In Chicago", until deciding on "Bullet for My Valentine". In 2002 the band was offered a record deal by Roadrunner Records. That offer was not taken, and the band later secured a five-album deal with Sony BMG.

Bullet for My Valentine's debut album The Poison was released on October 3, 2005 in the United Kingdom and on Valentine's Day in America in 2006 to represent their band name "Bullet for My Valentine", the album was dedicated to long time friend Liam Roy Denning, and entered the Billboard 200 at number 128, and the Top Heatseekers chart at number 1, and has sold over 500,000 copies in the U.S. The band made appearances at the Download Festival, Kerrang! XXV, a United States tour with Rob Zombie (which the band were ultimately kicked off due to vocalist Matthew Tuck's comments on the band's message board), and in the 2009 Metal Mayhem Tour. Bullet for My Valentine's second studio album Scream Aim Fire debuted at number 4 on the Billboard 200, with first week sales of 53,000 copies.