What role does Ruby play in Supernatural?

Ruby first makes an appearance in season 3, when Sam, Dean, Bobby, and Ellen try their best to close the gateway to hell that the yellow eyed Azazel had ushered his puppet Jake to open. read more

As Sam and Ruby reach the abandoned Convent where the last seal is supposed to be broken by Lilith, Dean follows them, but before he can tell Sam what he had to, Ruby closes the door, and Sam in his rage that had reach its zenith by then, kills Lilith with his mind, thinking that he has managed to stop the apocalypse. read more

Despite the generally negative reception to Cortese in the role, fans voted her version of Ruby the 32nd sexiest female character in fantasy and science fiction film and television in a 2012 poll by SFX for the Top 200 Sexiest Characters In Sci-Fi, making her the highest-placing female Supernatural character in the list, beating out Jo Harvelle at number 53 and Ellen Harvelle at number 77. read more