Rhys Lawson is a fictional character from the Australian soap opera Neighbours, played by Ben Barber. The actor's casting was announced on 18 May 2011 and he began filming his first scenes the week before opposite established cast members Alan Fletcher and Jackie Woodburne. Barber said he loved his character and was looking forward to what was ahead. He made his debut screen appearance on 13 July 2011. In November 2012, it was announced that Barber would be leaving Neighbours and Rhys made his last screen appearance on 20 March 2013.

Karl Kennedy is a fictional character from the Australian soap opera Neighbours, played by Alan Fletcher. The actor previously appeared in the soap in 1987 as mechanic Greg Cooper. He made his first screen appearance as Karl during the episode broadcast on 20 September 1994. Karl and his family were created by Neighbours storyliners in an attempt to bring the show back to its roots. Karl was given the job of local GP to provide him with immediate links to other characters. Debuting shortly before his wife, Susan Kennedy, he is the longest running continuously appearing character in the series' history.