Strigoi

The Strigori are vampires who pray on dragons who appeared in the American Dragon: Jake Long episode, Bite Father, Bite Son.

They're expert dragon slayers and killed off many dragons in the world, like the French Dragon, the Canadian Dragon and the Azerbaijan Dragon. They have Carrot-red hair, have no reflection and hates the sun. They were going to kill Jake, and mistaken Johnathan as the dragon. The Strigori kept on following him until Jake used the Sun magic to destroy them.