The Vampire Au's cast as it stands:

Hart- Capitan of the the Black guard and director of all its vampire hunting activities.
Reeve- Second in command to his father and commander of strike squads
Emma - The 'older' twin who is more in touch with her vampire instincts and has a playful and sweet nature.
Emily - The 'younger' twin who is serious and reserved. Tends to shun her vampiric abilities
Gareth- Director of the Black Guard and serious gentleman extraordinaire
Jonathan - The girls adoptive father who raised them from wee girls to the ladies they are today 

Im really proud of this