Munroe Styne

Monroe Styne is a member, current patriarch and leader of the Styne Family, more commonly known as the Frankenstein Family and one of the anagonists in CW TV series Supernatural.

Biography
Monroe Styne is the father to Jacob and Eldon Styne, uncle to Eli Styne

In Shreveport, Louisiana Eldon Styne is getting chewed out by his father Monroe for being unprofessional and leaving a body and witnesses. Monroe threatens to turn his son into a lab rat unless he redeems himself by cleaning up his mess in Omaha and then tracking down he Winchesters. When Eliquestions his uncle giving such important tasks, given his questionable judgment. Monroe brings up Eli's own issues, like having shirked his duties in tracking down Charlie Bradbury, a task that was passed on to him after Jacob's death. He orders Eli to report in with Eldon and back his effort before dismissing him.

Monroe is washing up and admonishing Eldon for his failure in killing the Winchesters and getting back the Book of the Damned. But when Eldon tells his father about the Bunker, and his plan to take some men and raid it for its contents, Monroe believes it is a good idea, and that Eldon will need a new arm. Monroe has Eli summon his youngest son Cyrus to the operating room, Monroe tells Cyrus that it's time for him to harvest his first body and unveils the bully who had been harassing Cyrus earlier. When Cyrus refuses, Monroe threatens him by telling his son that he will butcher the bully himself and then place Cyrus on the table to be modified. Monroe takes his son's hand and places a scalpel in it, and guides his hand as the blade cuts in the bully's chest. After the body had been harvested, and Eldon given a new arm, Monroe congratulates his son and allows Eldon and Roscoe to take Cyrus along to the Bunker.