Following a link from Section 15, I took the "Which Star Trek character would I be?" challenge. Apparently, to my undying horror, I'm Wesley Crusher:
A brilliant learner with a knack for almost everything, you choose to spend your efforts in the pursuit of travels that extend your own potential.
Pardon me while I go space myself out the nearest airlock.
CORRECTION: Apparently, the test is not restricted to just Star Trek characters, but more generally SF/fantasy characters. That just makes it hurt even more. Why couldn't I be Galactus? I really want to be Galactus.