I think the name will be Orion.
Theories of why:
Sky/Space theme goes with area
Orion is a hunter, capable of ridding earth of all beasts (in some stories)
Orion means “Light of Heaven” , ties into Anno Domini
Constellation is believed to be facing the charge of a bull, but can easily be changed to the charge of a beast.
Possible backstory: We were warned by the wailing of a Banshee, that soon death was coming to the family. Orion spread for a brief moment to kill a beast and we saw the end of SOB. Now Orion has come back to stay and take out the biggest Bea