The Guardian of death. Who always try to eliminate all humanity. 

He's only being nice and friendly with StarFall somehow, he knows that StarFall hate him now but he doesn't care anyway

StarFall is the guardian of protection. Hes job is to protect humanity. 

He gain power by drinking or draining humans blood, if he did drink a humans blood he would probably bite the victims neck like a vampire. There is a small chance he will just eat human to gain more power for himself

Bloodstain or Saint