A lot of things having to do with art.
Alice Cooper, David Bowie, Steve Ditko, Sam Raimi, Mick Foley
Here's 21 for ya: Queen, Judas Priest, Deep Purple, Alice Cooper, Immortal, I, Finntroll, Motorhead, Opeth, Korpiklaani, Amon Amarth, Beatles, Reverend Horton Heat, David Bowie, Mike Patton, Amorphis, Dethklok, Static X, Misfits, Dead Kennedys, Rob Zombie
Evil Dead II, Spiderman 1 and 2, M, Citizen Kane, Frida, Secondhand Lions, Clockwork Orange, Dawn of the Dead, 28 Days Later, Conan the Barbarian, Monty Python Films.
Heroes, the Office, Buffy, Angel, Star Trek, Justice League Unlimited, The Prisoner, Battlestar Galactica, Metalocalypse, Venture Bros.
Adventures of Kavalier and Clay, American Gods, A Princess of Mars, Slapstick, Harry Potter books and a whole bunch o'comics.
Basil Fawlty, Lenny Leonard, Carl Carlson, Reed Richards, Stephen Strange, Christopher Pike and especially Number Two.