BOBBY SINGER ( AUGUST 12, 1950 – LEO)
Bobby Singer was meant to be a character who would fill in for one episode, but he ended up becoming one of the important characters in SPN. An old friend of John who served as a father figure for the boys. One of the few characters to make appearances in most seasons after Sam and Dean. Season 12 introduced us to an Alternate Universe Bobby where Sam and Dean are never born so the apocalypse couldn’t be protected. Bobby is a true Leo who is fiercely loyal and protective of his closed ones.
MARY WINCHESTER (DECEMBER 5, 1954 – SAGITTARIUS)
The story of Supernatural starts with Mary and John. Mary came from a family of hunters, but she decided to settle in, and start a normal family, away from all sorts of Supernatural drama. But her old life followed her and marked her children. In the Season 12 finale, Amara resurrects Mary as a token of gratitude to Dean so he could let go of all his pain. Mary struggled to fit in the new world and the children she left have become grown-up adults now. To keep herself occupied, she joined British Men of Letters which caused her to be in a conflict with the boys.
JACK KLINE (MAY 18, 2017 – TAURUS)
Jack Kline’s birth was no less than a miracle. Many tried preventing him from coming into existence believing he was pure evil, but Jack provided that environment and social learning can triumph over genetics and biology. With Castiel and Winchesters over his shoulders to guide him, Jack learned what it is like to care. He learned to master his powers and do good using them. Taurus are well known for their traits of being dependable, trustworthy, sincere, and stubborn, Jack checks all the boxes.
JESSICA MOORE (JANUARY 24, 1984 – CAPRICON)
While the character of Jessica has made only a couple of appearances, but her impact on SPN story is profound. It was her tragic demise that pushed Sam Winchester into returning to his life and avenging Jessica. The character of Jessica would make a few more appearances; one in Season 2 and one in Season 5. Adrianne Palicki who played Jessica would go on to appear in Agents of SHIELD which earned her global fame and also found herself in successful movies such as GI Joe, John Wick, and Legion.