Writing, reading, music, movies, serial killers, video games, non-garden variety insanity.
Punk, indie, alt-country, metal, experimental.
Nick Cave and The Bad Seeds, Tom Waits, Einsturzende Neubauten
Slim Cessna's Auto Club, Munly & The Lee Lewis Harlots, Morphine
The Birthday Party, Johnny Dowd, Dax Riggs
Suicide, The Handsome Family, Roky Erickson
Alice Donut, Iggy and the Stooges, Hogscraper
Hank Williams, Sr., Hank III, Warren Zevon
Naked Raygun, Television, Richard Hell
Christian Death, Sixteen Horsepower, Wall of Voodoo
Iron Maiden, Black Flag, Jim White
Legendary Shack Shakers, Danzig-era Misfits, Type O Negative
The Pogues, Massive Attack, PJ Harvey
Dead Kennedys, Integrity, Portishead
Fantomas, The Talking Heads, Life Of Agony
The Bronx Casket Co., The Cramps, Acid Bath
John Zorn, David Bowie, Macabre
Johnny Cash, Joy Division, The Cure
Carnivore, Mr. Bungle, Dalek
Black Heart Procession, William Elliott Whitmore, Those Poor Bastards
The Proposition, Barton Fink
An American Werewolf in London, The Machinist
Amadeus, Vincent and Theo
Pollock, Sin City
Basquiat, The Royal Tenenbaums
Vertigo, Buffalo '66
Willard, Fight Club
Repo Man, Requiem For a Dream
The Night Of the Hunter, The Big Lebowski
Clay Pigeons, Heathers
From Hell, Clockwork Orange
Henry Fool, High Fidelity
True Romance, The Prestige
American Psycho, American Splendor
The Prophecy, Pump Up the Volume
Psycho, Adaptation
Wonder Boys, Taxi Driver
Ed Wood, Evil Dead II
Badlands, Naked Lunch
Blue Velvet, River's Edge
Bubba Ho-tep, Behind the Mask: The Rise of Leslie Vernon
The Squid and the Whale, Deconstructing Harry
All manner of documentaries on writers, artists, musicians, etc.
Hubert Selby, Jr., Harry Crews
Mark Richard, Sam Lipsyte
Bret Easton Ellis, Chuck Palahniuk
Breece D'J Pancake, Kurt Vonnegut
Craig Clevenger, Will Christopher Baer
Cormac McCarthy, Vladimir Nabokov
Jeremy Robert Johnson, Joey Goebel
J.G. Ballard, Joe R. Lansdale
Jim Thompson, Pinckney Benedict
Stephen Graham Jones, William Gay
Charles Bukowski, Tom Robbins
Michael Ondaatje, Anthony Burgess
Hunter S. Thompson, Christopher Moore
Flannery O'Connor, Amy Hempel
Raymond Carver, Larry Brown
Also, the comics/graphic novels of Alan Moore, Neil Gaiman, Garth Ennis, and Mike Mignola make me all happy and such, along with the art of Joe Coleman.
I prefer the villains. Thanks for asking, though.