Ghoul

Ghouls are extremely dangerous species, they're not welcomed into any country of Identity which is why they're always hiding.

Background
Ghouls are a combination of vampires and demons. They physically look like a vampire but they're abilities are mixed. Ghouls usually dye their hair and wear contacts to avoid being spotted and jailed.

Abilities

 * Night Vision - They're able to see in the dark easily.
 * Blood Sensation - They're able to sense blood from a radius of a 100m.
 * Claws - They're able to grow some sort of claws from their back allowing them to use this as a weapon for offensive and defensive reasons
 * Low Lifespan - They only live for about 45 years (about 6 months)