Shane Walsh is a main character and later an antagonist, as well as survivor of the outbreak in AMC's The Walking Dead. He was Rick Grimes's partner at the King County Sheriff's Department and his best friend since high school. After the initial outbreak, Shane began to harbour feelings and an obsession for Lori, Rick's wife. He later became one of the main members of the survivor group camped outside Atlanta and also after leaving the camp and finding Hershel Greene's farm. He serves as the deuteragonist of Season 1 and later the primary antagonist of Season 2.