Jimmy Corkhill is a fictional character from Brookside, played by Dean Sullivan, who joined the series in 1986. Jimmy originally appeared on a recurring basis appearing alongside his on-screen brother, Billy (John McArdle), before becoming a regular character, featured in major storylines, and remained in the show until its end 17 years later. He is cited as one of the show's most popular characters, and was the longest-featured character. Jimmy has often been cited as a lovable rogue by television critics.