The world of reality and unreality; the mind, the soul, the heart... oblivion.
Anyone
Punk, Indie, New Wave, Acid Jazz, Classic Rock, New Metal, Industrial, Trip Hop and all the things that your mother don't wanna hear.
Clockwork Orange, stuff like that.
Nothing good.
All Gaiman works, Art in the 20th Century, Thousand Orcs, Shakespeare, Anything that's dark and gritty and deep.
Morpheus and Elric of Melnibone