The one in the book? His name is R.M. Renfield (you cannot get his first name and middle name from the book).
In Romania.
Renfield
With Fangs
Stake
Romania
well, i am not sure
No they live in Draculas castle.
Bela Lugosi
no they did not
Mavis
She leaped from the battlements of Castle Dracula.
Yes. It's a tourist site.