Xdinary Heroes is a South Korean rock band under JYP Entertainment's sub-label, Studio J. They officially debuted on December 6, 2021, with the single "Happy Death Day". The band consists of six members: Gunil, Jungsu, Gaon, O.de, Jun Han, and Jooyeon. All of the members are involved in writing, composing, and producing the music of the band. The band's name is shortened form of "Extraordinary Heroes", meaning "anyone can become a hero".
History
2021: Formation and debut with "Happy Death Day"
On November 1, JYP Entertainment released a teaser titled "Heroes Are Coming" hinting at a new group to debut. A week later, on November 8, the logo and name of the group were revealed and the group's official social media accounts were launched. Jooyeon was officially announced as the group's first member, followed by O.de, Gaon, Jun Han, Jungsu, and Gunil from November 15–20. On November 22–27, teasers were released revealing the positions of the members, starting with Jooyeon playing the bass on November 22, followed by O.de playing the synthesizer on the November 23, Gaon playing the electric guitar on the November 24, Jun Han playing the electric guitar on the November 25, Jungsu on the keyboard on the November 26, and Gunil playing the drums on the November 27. It was revealed that Jungsu and O.de initially trained to be in a K-pop group, but were later told they would be in a band.
On December 6, Xdinary Heroes debuted with the single "Happy Death Day". The song debuted at number 12 on the Billboard World Digital Song Sales.