Red John

Sheriff Thomas McAllister or better known as Red John, he is the main archenemy of Patrick Jane and also the main antagonist of seasons 1,2,3,4,5 and 6. He is portrayed by and his voiced is by Simon Baker.

Season 1
Jane makes a deal with Jared Renfrew who claims to have information about Red John in exchange for exonerating him since he was incriminated by his mother and at the end of this all Mrs. Renfrew was arrested for the murder of Jared Renfrew's half sister Andine however Jared escape CBI protection and Red John kills him along with a prostitute before Jane can interrogate him.

Red John kills one of the groaning girls, and that Jane notices something strange behind if, and that despite him knowing that Red John was present in this crime, but that the victim had been kidnapped before being stabbed was killed before being thrown in. This did not fit Red John's modus operandis as all his victims were kills indoors, while the CBI investigates the case when an airplane makes Red John's smiles as his signature crime. And with that Jane realizes and concludes that the twin is alive. And during investigations the CBI realizes that Red John used fakes name under Roy Tagliaferro and related to a blind woman named Rosalind. And in the end Jane learns that Sheriff Hardy is one Red John's accomplices. And that Red John is keeping an eye on him.