Sid Sumner is a fictional character from the British Channel 4 soap opera Hollyoaks, played by Billy Price, who made his first appearance on 9 May 2019. He is introduced as the son of recurring character Stuart Sumner (Chris Simmons) and joins several established characters when he joins Hollyoaks High. He initially appears as part of the show's high profile far-right extremism storyline in a guest role but was promoted to a series regular after it concluded when the producers began to plot a year-long county lines drug trafficking storyline. In addition to the far-right and drug trafficking plots, Sid's other notable storylines include his adoption by Leela Lomax (Kirsty-Leigh Porter), his ambitions to become a singer-songwriter, a relationship and later friendship with Juliet Nightingale (Niamh Blackshaw) and his subsequent heartbreak when she comes out as a lesbian and becoming an amputee after his leg is run over by Peri Lomax (Ruby O'Donnell) while he is under the influence of ketamine.