Avoiding the bride(s):
Stay in the center of the screen and when you see the direction the bride(s) are facing, avoid them.

Defeating Shadow Dracula:
Each time Shadow Dracula appears from hiding, jump up or down from the ledge and throw two rocks at him.

Defeating: Werewolf Dracula:
When Werewolf Dracula appears, avoid his attack and wait until he charges again. Quickly throw a rock at him and jump over him. Continue this until he is defeated.

Defeating Young Dracula:
When he first appears, kneel and start throwing as many rocks as possible. Then, run away from him when he casts his hypnotic spell. If you run out of rocks and they are on the other side of Dracula, when he casts his spell jump over him to collect the rocks.