Calum Hood

Calum Thomas Hood (born 25 January 1996) is an Australian musician, known for being the bassist and a vocalist of the pop rock band 5 Seconds of Summer. Since 2014, 5 Seconds of Summer have sold more than 10 million albums, sold over two million concert tickets worldwide, and the band's songs streams surpass seven billion, making them one of the most successful Australian musical exports in history. Hood's debut solo album, Order Chaos Order, was released on 13 June 2025.