I tried 5 times, and got results in this order:
Lich King: Who?
Bowser: Meh. I don't like tennis or falling into lava.
Team Rocket: Do they classify as villains?
Pac Man Ghost: Silent. Deceptive. Deadly. My sort of guy!
GLaDOS: Heck Yeah! One of my favorite villains EVER.
"Your entire life has been a mathematical error. A mathematical error that I'm about to correct."
Well, now I have 5 new badges. 3 of which are people who I either don't know or don't like.