Changes

|dates= ???? - – 1723(drowned)

|occupation= Sailor<br>Prince of HellShip Captain

In 1723, Gavin is preparing to depart from Leith, Scotland to America to start a new life when [[Abaddon]] comes through his door, having used the [[blood spell]] to travel back in time. She proceeds to kill Gavin's friend before reciting the [[spell]] to send her and Gavin forward to 2014. Once in 2014, Abaddon uses Gavin as leverage against [[Crowley]] to conspire against the Winchesters before resuming their feud. At first, Crowley is unimpressed and restates that he and his son hate each other and that he doesn't care about what happens to him, but Abaddon starts testing his humanity due to his addiction to human blood by torturing and blinding Gavin until Crowley pleads with tells her to stop.  

When Gavin is healed of his wounds, Crowley reveals to him that he is his father, Fergus, and that they are in 2014, though Gavin has trouble wrapping his head around time traveling. At first, Gavin denies it since Crowley looked nothing like his past self, having buried him when he died, but during their time together Gavin learns about how his father became a [[crossroads demon]] and the King of Hell by selling his soul for an extra three inches below the belt. As Gavin begins to list off all the reasons he hates his father, one of which is his illiteracy, Crowley tries to buy his favor by at first by giving him the ability to read and reveals his title as Prince of Hell, which comes with plenty of perks. Gavin negotiates with Crowley, saying that if he accepts him as his father, their would be plenty of more perks, including keeping he should keep Gavin from going to [[Hell]] when he dies no matter his sins, which makes Crowley proud of his son. Being the Prince of Hell allows Gavin to see all the possibilities and future he can make for himself once he gets back to 1723. However, Crowley attempts to dissuade him from going backor at least from boarding the ship, only telling him that "It's not a good idea." this This causes Gavin to storm off and lock himself in the bedroom.

After [[Dean]] kills Abaddon, [[Sam]] and Dean tell Crowley that Gavin needs to be sent back to his own time because of the ripple effect his being in 2014 could have causedpotentially cause. Crowley is reluctant, saying that Gavin is one misfit kid who impacts no one, but Sam says that the line on the consequences of time travel can't be crossed. He angrily agrees to the Winchesters demands, and only asks that he be able to say goodbye to his son. When Crowley enters the bedroom where Gavin is waiting, he magically slams the doors shut on Sam and Dean, who open the door to find the room empty. Crowley and Gavin are next seen in a field in undisclosed location, where Crowley reveals to Gavin that the ship he was about to board sunk on its journey. After Crowley gives Gavin some fatherly advice about living in the 21st century, they seeing it as a second chance for Gavin to start a better life. They say their goodbyes and go their own separate ways.