In Bram Stoker's novel Dracula, the count is assisted in his misdeeds by the insane Renfield. When he is no longer of use - in fact actually trying to help the heroes - Dracula kills Renfield.
Renfield
In Romania.
With Fangs
Stake
Renfield
Romania
well, i am not sure
No.
Robin
By kicking to the side.
Mavis
no they did not
No they live in Draculas castle.