1. Rat Boy studied at Chelmer Valley High School in Chelmsford and went on to study Art at Colchester Institute.

1. Rat Boy studied at Chelmer Valley High School in Chelmsford and went on to study Art at Colchester Institute.
Rat Boy began writing songs in his spare time, releasing songs on SoundCloud under the name "Rat Boy", a name given to him by his school friends who claimed he looked like a rat.
Rat Boy produced The Mixtape, a 5-track mix on which he performed vocals, keyboard and bass, recorded in his own home.
Rat Boy sent The Mixtape to various record companies and in response Drew McConnell arranged for Rat Boy to have a meeting with him; Cardy and his band were subsequently signed to Parlophone in early 2015.
Rat Boy was added to the BBC Sound of 2016 Longlist, an annual poll in which over 100 music specialists select artists they believe will be successful within the next 12 months.
Rat Boy was shortlisted along with 10 other artists including Bonkaz, Jack Garratt and Rationale.
Rat Boy was nominated for Best New Artist 2016 by NME magazine, which he subsequently won, along with performing his single "Move" at the awards ceremony.
On 11 August 2017, Rat Boy released his long-awaited debut album Scum to commercial success.
On 25 January 2019, Rat Boy released the studio album Internationally Unknown which was recorded in 2018.
Rat Boy featured on McFly's 2020 album Young Dumb Thrills on the song of the same title.
Rat Boy provided songs for the radio in the 2020 game Cyberpunk 2077 using the name IBDY.
Rat Boy's music is an amalgamation of several styles, most notably hip hop and indie rock.
Rat Boy has cited English bands the Clash and the Streets as his main musical influences and has been compared to artists such as Jamie T and the Beastie Boys.