Since it's just for fun, I'm starting it off with a comic book question, to show that this one's open to all facets of the genre. Whoever guesses this one can ask the next question, and so on.
(And no, it's not multiple choice. I'm a professor myself IRL, and I hate giving those kinds of tests; this was my idea, so we'll do it my way. Think, don't just memorize, you lazy brats! Nyah nyah!
Question #1:
What DC Comics vampire turned against his own kind, hunting evil all over the world to atone for his sins, over two decades before Angel and others made it a cliche?



