Oh, and in The Sims 2, you can make an alien vampire zombie werewolf plantman warlock
I know this is a bit off-topic, but behold the Alien Vampire Zombie Werewolf Plantman Warlock Nudist:
Then I cheated a bit more and activated the werewolf transformation at daytime:
Also, it appears being half-plant cancels out the vampires' weakness to sunlight.