He's only the third Vlad I know of, and definitely the one I'd least like to be stuck in a forest with. 

We briefly dive into the history, lore, and non-vampiristic character of Vlad Tepes III, Son of the Dragon.

If you're interested in Vlad, I highly recommend these two books:

Dracula, Prince of Many Faces: His Life and His Times
In Search Of Dracula: The History of Dracula and Vampires

Both authored by Radu Florescu & Raymond T. McNally

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