Film. Also: The Arts, Enlightenment, and the Humanities.
Whoever. Just be able to talk about anything, everything or nothing at all and we'll get along just fine.
Common, Muse, Jeff Buckley, Al Green, Otis Redding, Stevie Wonder, Ben Harper, Gomez, K-os, Kanye West, Rage Against the Machine, John Legend, Lauryn Hill, OutKast, Radiohead, Stereolab, Sigur Ros, Van Hunt, etc...
Just a smattering of my favorites: The Big Chill, The Godfather, Shaun of the Dead, American Beauty, Saving Private Ryan, Shawshank Redemption, It's A Wonderful Life, The Christmas Story, The Dark Crystal, The Neverending Story.
The Simpsons, Seinfeld, Taxi, Cheers, Frasier, Lost, The Family Guy, anything written by Joss Whedon, and The News Hour w/ Jim Leher. Or anything that might be on PBS, Discovery, or The Learning Channel / History Channel.
The Fountainhead, Lamb, Abraham, The Alchemist, and Ishmael. I'm also intrigued by any major religious scriptures; including but not limited to: the Koran, the Torah, or the Gospels. (Just finished: Getting On Message, edited by Rev. Peter Laarman.)
Does Howard Roark count? He doesn't exist, seeing that he's a fictional character and all... But a hero none-the-less. Oh, and the two great Martin Luthers (the 14th century rebel Catholic AND the Jr. King).