Nick O'Malley is an Australian musician best known as the bassist for the rock band Arctic Monkeys. He joined the band in 2006, replacing their original bassist, Andy Nicholson. O'Malley has contributed to the band's distinctive sound and has been part of their rise to international fame. Born on July 5, 1985, in Sheffield, England, O'Malley grew up in a musical environment. He has played on several of the band's critically acclaimed albums, including AM and Tranquility Base Hotel & Casino. His work has helped solidify the Arctic Monkeys as one of the leading bands in the modern rock scene.