Declarations of a Young Vampyr

I'm Klaus. Let's play a game called guess who I am... Here's clue number one: I have two wings and two fangs. Got it? Well, here's clue number 2: I drink....Vampyr blood- not so sure now? I drink Vampyr blood or at least I crave it. So do know what I am now? Or maybe you still don't know, because I have absolutely...