Doc: Hm! Apparently there is confusion over the gender of one “Heinkel Wolfe.” This looks like a job…for SCIENCE!

And so:

Enrico: Let me get this straight. You want to do an experiment with a sample of Heinkel Wolfe’s blood?

Doc: Yep!

Enrico: This is the Vatican. We don’t approve of “science”. Give me one good reason why I shouldn’t subject you to an inqui–

H-how did you get these photos?!

Doc: Let’s just say I know a cat who walks through walls…

…and knows his way around the Hellsing mansion.

Enrico: You, sir, have a deal.