Growley
Dean: You're back?
Crowley: I'm invested. [Hellhound growls] Stay!
Crowley: Not that one. [pats his Hellhound which appears to be about 5 feet high] I brought my own. Mine's bigger. Sic 'em boy!
Dean: You can control them?!
– Crowley and Dean, 5.20 The Devil You Know
Growley is a fan nickname for a specific hellhound that belongs to the demon Crowley and serves as his "pet," bodyguard, and assassin. It seems to be bigger than an average hellhound. He is not shown to the audience until 8.14 Trial and Error, the episode he is killed in.
Episodes
5.20 The Devil You Know
Growley makes his first (known) appearance when, after demons send a hellhound after Brady and Crowley, Crowley brings him in to fend off the other hellhound while Sam, Dean, Crowley, and Brady make their escape. Although the hounds' fight cannot be seen, their surroundings are quickly damaged in the scuffle and the sounds of one dog attacking and hurting another dog can be heard. Crowley is utterly confident that Growley will win the fight.
6.04 Weekend at Bobby's
Growley returns to aid his master when Crowley is captured within a devil's trap by Bobby, who is trying to break the deal Crowley made for his soul. When Bobby realizes that Growley is present and about to attack him, Crowley offers his own deal: "Ten years of living, or ten years as Alpo." Bobby reluctantly releases Crowley to avoid being killed by his hellhound.
Trivia
- Although its origin is unclear, the hound has been called Growley in fanfic, and the name was also mentioned by a fan to Mark Sheppard at Asylum 6 2011 (Source).
- Growley is also sometimes used as the mash-up pairing name for fanworks featuring a Slash relationship between Crowley and Gabriel.
