If the signs were mythological creatures:
Aries: Werewolf
Taurus: Hell Hound
Gemini: Doppelgänger
Cancer: Banshee
Leo: Fairy
Virgo: Angel
Libra: Nymph
Scorpio: Ghost
Sagittarius: Mermaid
Capricorn: Vampire
Aquarius: Shapeshifter
Pisces: Siren
(A/N: Am I the only one thinking of Supernatural?)
