In the Netherlands the song was released as the album's second single and debuted on the Dutch Top 40 on 18 April 2009 at number 23 and has peaked at number three. In the United Kingdom the song made its debut on the UK Singles Chart at number 154 on the strength of digital downloads due to the video having a lot of airplay on UK music channels despite not being released as an official single there. The song also entered the US Billboard Hot 100 at number 68 on the same week, being her third song on entry. The song made its chart debut at number 37 on the Canadian Top 100 on 28 February 2009 despite not being released as an actual single. The Urban Review states that it was originally inspired by the far-right British National Party, adding Allen now "feels the track is relevant everywhere now so has removed a particular target." At the 2009 Glastonbury Festival prior to performing the song, Allen made reference to the elections to the European parliament that had commenced three weeks earlier in which the British National Party gained their first ever representative seats, citing this as a reason to sing the song. At a concert in São Paulo, Brazil, Allen stated, "It was originally written about this fucking arsehole who used to be the President of the United States of America.
At a concert on 2 April 2009 at the Wiltern Theatre in Los Angeles, Allen stated that the song was about Bush. Go green and hate hate." ĭespite its reference to Batman, according to NME and Rolling Stone magazines the song is a protest against George W. Allen wrote: "We are the youth, we can make coolness for our future, it's up to us. The song was written by Allen and Greg Kurstin. The song samples the piano of the theme to the Australian television show Neighbours. The song originally appeared on Allen's Myspace page in 2008 alongside the songs "I Could Say" and "I Don't Know" (later released as " The Fear") under the title "Guess Who Batman".