Stuart Parker is a fictional character from the Australian soap opera Neighbours, played by Blair McDonough. He made his first appearance during the episode broadcast on 13 December 2001. Stuart lived with Toadfish Rebecchi and Connor O'Neill at number 30, during which time the house became known as "The House of Trouser". Stuart's storylines included becoming a policeman, temporarily losing his eyesight, joining a cult, which almost cost him his friendships, and marrying Sindi Watts. Stuart departed on 5 April 2006 after McDonough quit to pursue other projects. The actor reprised the role for three episodes from 13 February until 15 February 2018. Stu made an unannounced cameo appearance in the final episode on 28 July 2022.

Sindi Watts is a fictional character from the Australian soap opera Neighbours, played by Marisa Warrington. She made her first appearance during the episode broadcast on 19 July 2002. Sindi was initially a recurring character, before she was promoted to the regular cast. Her storylines often focused on her romantic relationships, including her affair with Rocco Cammeniti and marriage to Stuart Parker. She also attempted to break up Toadfish Rebecchi and Dee Bliss, and briefly became a lapdancer to raise much needed money.