John Sugden in Emmerdale is a fictional character who is the long-lost son of Jack Sugden, born to Jack's ex-girlfriend Barbara following a brief fling in early 1988. John is portrayed by Oliver Farnworth, and he is the half-brother of Robert and Victoria, as well as the adoptive half-brother of Andy. Recently, the character has been involved in a villainous storyline, including framing his half-brother Robert for attempted murder and threatening Aaron Dingle, contributing to major twists in the show's plot.