Oliver Barnes is a fictional character from the Australian television soap opera Neighbours, played by David Hoflin. He made his first appearance during the episode broadcast on 30 January 2007. Oliver is the oldest son of Rebecca Napier and the brother of Declan Napier. Some of Oliver's biggest storylines included discovering that he was adopted, finding his birth parents and becoming a father. Oliver departed the show on 8 August 2008. Hoflin and his co-star Natalie Blair reprised their roles in March 2011 to help facilitate Hall's departure from the show.

Rebecca Napier is a fictional character from the Australian soap opera Neighbours, played by Jane Hall. The show suffered a ratings decline in early 2007 and plans were put in place for storylines to focus more on relationships and family dynamics. During this period, the character of Rebecca was created and introduced. She made her first screen appearance during the episode broadcast on 13 July 2007. Rebecca is the mother of Oliver Barnes and Declan Napier. Rebecca departed on 15 March 2011, after Hall chose to leave the serial. Hall reprised the role in February 2014 and again in September 2019.