Daddy Cool is an Australian rock band formed in Melbourne in 1970 with the original line-up of Wayne Duncan (bass, Vocals), Ross Hannaford (lead guitar, bass, vocals), Ross Wilson (lead vocals, rhythm guitar, harmonica) and Gary Young (drums, vocals) . Their debut single "Eagle Rock" was released in May 1971 and stayed at number 1 on the Australian singles chart for ten weeks. Their debut July 1971 LP Daddy Who? Daddy Cool also reached number 1 and became the first Australian album to sell more than 100,000 copies. Their name comes from the 1957 song "Daddy Cool" by US rock group The Rays. Daddy Cool included their version on Daddy Who? Daddy Cool.

Daddy Cool's music featured 1950s Doo-wop style rock cover versions and originals which were mostly written by Wilson. On stage they provided a danceable sound which was accessible and fun. Their second album was Sex, Dope, Rock'n'Roll: Teenage Heaven from January 1972 and reached the Top Ten. Breaking up in August 1972, Daddy Cool briefly reformed during 1974–1975 before disbanding again, they reformed with the band's original line-up in 2005. Their iconic status was confirmed when they were inducted into the Australian Recording Industry Association (ARIA) Hall of Fame on 16 August 2006.