Red john
RED JOHN Red John is the main antagonist in the television series The Mentalist . He is a serial killer who is extremely intelligent and manipulative, and serves as the primary nemesis of Patrick Jane, the protagonist of the series. Here is a summary of Red John: Red John's real identity is Thomas McAllister , a sheriff from Napa County. He is first introduced indirectly through the murder of Patrick Jane’s wife and daughter, which becomes Jane's main motivation for hunting Red John. Red John has a wide-reaching network that includes police officers, high-ranking officials, and ordinary people under his control, known as part of a secret group called The Blake Association . He is known for his signature mark: a red smiley face drawn with the victim’s blood near the crime scene. Red John's identity is revealed in season 6, episode 8 ("Red John") , where Patrick Jane finally kills him.