Philosophy, sunny days, stormy nights, role-playing, video games, the environment, the robot overlords, people.
Anyone who understands.
Top artists include: Ani Difranco, The Pixies, Flogging Molly, Leahy, Johnny Cash, old No Doubt, Carbon Leaf, Imogen Heap, Guster, Jethro Tull, Tom Petty, The Postal Service, Jimi Hendrix, Led Zeppelin, Regina Spektor, The Shins, Tom Waits, Death Cab for Cutie, Coheed and Cambria, Weezer, Stevie Ray Vaughan, B. B. King, The Decemberists, Nobou Uematsu, Cake and The Beatles.
Top Movies Include: Signs, Fight Club, 28 Days Later, The Village, American Beauty, Requiem for a Dream, Elephant, Amelie, Pulp Fiction, Lord of the Rings triolgy, So I Married an Axe Murderer, Kill Bill, The Rock Horror Picture Show, the Terminator trilogy, the Back to the Future trilogy, the Indiana Jones trilogy, all six Star Wars movies(to some degree), Wallace and Gromit, Cruel Intentions, The Royal Tenenbaums, both X-Men movies, The Nightmare Before Christmas, Willie Wonka and the Chocolate Factory, Charlie and the Chocolate Factory, Labyrinth, and Groundhog Day.
Buffy the Vampire Slayer, Firefly, Angel, Futurama, Family Guy, The Simpsons, Lost, The Daily Show, The Colbert Report, Cowboy Bebop, Seinfeld, Sea Lab 2021, Aqua Team Hunger Force, MacGuyver, Æon Flux(in fact, any MTV cartoon from the 90's), and X-Men old cartoons.
Hitchhiker's Guide to the Galaxy series, the Harry Potter series, The Romantic Manifesto, Anthem, Fountainhead, and comics galore.
Ayn Rand, Jon Stewart, anyone willing to stand up for change when it needs to be done.