'There is a key scraping the inside of the lock, and the door was swinging open, the monster standing inside of the doorway, blocking any other view. He is smiling, his horrible fangs fully shown, in the flickering candlelight of the room.'
The established king of vampires is, and always will be, Dracula.
Since 1897, it's been adapted time and again, becoming the fundamental core of vampire fiction and media.