RPGs. No, not the rocket launchers. Those are cool, too, though. Video games in general. Anything else that's considered geeky I tend to like but also tend to fail at. For example, I'm a wannabe-literary geek, wannabe-computer geek, wannabe-math geek...
A forty-foot talking play-dough monkey.
Rise Against!!!! Oh and Nickelback, Offspring, and a few others.
Sci-Fi and fantasy and generally stuff that has a cool mythology behind it.
Bah. It rots your brain. I play video games!!!
Various, I'll read classic stuff now and again. Harry Potter I suppose; that was ages ago though.
Sonic The Hedgehog.