Calum Thomas Hood was born on the 25th of January 1996 to parents Jay Koa and David Hood. Calum has one sister; Mali Koa. Calum is the basist of the band and is commonly called the Asian one although he claims he isn't. He's a Kiwi of Scottish and Maori descent. according to a fan's Wiki page. Hood had a promising future as a footballer if he hadn't joined the boy band that is now known world wide.