Erudition (look it up), music, skepticism, snowboarding
If you like metal add my band:
Tenacious D, Dragonforce, Between the Buried and Me, Soilwork, Atmosphere, Reflux, Into the Moat, Murs, Refused, the Dillinger Escape Plan, System of a Down, Propagandhi, Misery Signals, In Flames, Caliban, Tom Petty, Death by Stereo, He Is Legend, Dredg, Norma Jean, Jets to Brazil, Hiero, Bach, Radiohead, Shadows Fall, Stone Temple Pilots, Pink Floyd, Deftones, Del, Beloved, AC/DC, Sage Francis, Bad Religion, Robert Johnson, alexisonfire, Weezer, Poison the Well, Jimmy Eat World, As I Lay Dying, the Faceless, Darkest Hour, August Burns Red, the Black Dahlia Murder, Slayer, the Roots
Clerks, the Big Lebowski, Once Were Warriors, PI, Army of Darkness, Fight Club, Reservoir Dogs, Donnie Darko, Breakfast Club, the Cube, Private Parts, Willow, Friday, Grandma's Boy, 40 Year Old Virgin, Spinal Tap
Dirty Jobs, How It's Made, the Shield, the Simpsons, Family Guy, Chappelle's Show, Mythbusters, Reno 911, Malcom in the Middle, Curb Your Enthusiasm, Arrested Development, Kids in the Hall, Nip/Tuck, Scrubs, 24, Lost
Godel Escher Bach: An Eternal Golden Braid, Just Six Numbers, Steven Pinker, Still Life with Woodpecker, Kurt Vonnegut, Aztec, the Illiad, Guns Germs & Steel, Moby Dick, Plato's Republic, Fooled by Randomness, Benoit Mandelbrot, Emergence, the Tipping Point, Freakonomics, the Undercover Economist, Black Swan, Blink
Carl Sagan, Steven Pinker, Steven Hawking, Robert E Lee