Music, writing, reading, walking, drinking.
Cool people. heroes are generally overrated when you finally get to meet them.
Everything and anything.
Right now it's Will Smith and power metal, but overall:
Audioslave, Bad Religion, 'weird al' yankovic, The Aquabats, Authority Zero, The Black Mages, Blind Guardian, Bloodhound Gang, Bon Jovi, Bruce Dickinson, Children Of Bodom, Combichrist, Dream Theater, Dr. Dre, DVDA, Edguy, Forces of Evil, Gorillaz, GWAR, Hammerfall, Hans Zimmer, In Flames, Iron Maiden, Jack Johnson, Jamiroquai, Joe Satriani, Kamelot, Kittie, Kotow, Kyuss, Linkin Park, Machine Head, Madness, The Mars Volta, Marty Friedman, Megadeth, Megaherz, Meshuggah, Metallica, Michael Jackson, Muse, Nevermore, Nobuo Oematsu, NOFX, The Offspring, Pantera, Pendulum, Porcupine Tree, Primus, Prodigy, Queen, Queens of the Stone Age, Racer X, Rage Against The Machine, Rammstein, Rancid, Reel Big Fish, Robbie Williams, Slayer, Sonata Arctica, Strapping Young Lad, Sublime, Symphony X, Sum41, System of a Down, Testament, Tool, Trans- Siberian Orchestra, Van Canto, Ween.
A few. Including Die Hard 2 and 4. Is there a more manly way to kill someone than at the end of 4??
I think not.
Top Gear, Futurama, Scrubs, Simpsons, Have I Got News For You, MythBusters, Never Mind The Buzzcocks, That Mitchell And Webb Look, Green Wing, Garth Morenghi's Darkplace, QI, Peep Show, American Dad, Brass Eye/The Day Today.( Chris Morris is a comedic genius.), The Young Ones, South Park (obviously) :P
Lots. Mainly Stephen King's books, favourites being Pet Semetary and From a Buick 8, as well as the short story collections 'Everything's Eventual' and 'Skeleton Crew'. Four Past Midnight is awesome too, although i don't particularly care for secret window.
House of Leaves
Nineteen Eighty-Four,
The Straw Men
Old medical books/journals are also a favourite of mine.