Why would Dracula be wrathful?

Not sure why he'd be pissed off at anyone. Lives his vampire life, with his hot vampire chicks, in his bitchin castle. Gets the blood he needs. Flies around amusing himself messing with the heads of spoiled rich people. Is immortal--never gets old; is eternally middle-aged. Until some do-gooder comes along and destroys him with sunlight, a stake through the heart, or something. But then he no longer exists, and you can't be wrathful when you don't exist.