Movies: Gangs of New York, Once Upon a Time in Mexico, The Hangover, Big Trouble, Super Troopers, Blow, Scarface
TV: Dexter, Californication, Mad Men, Shameless, Boardwalk Empire, Game of Thrones, Entourage, etc.
A sense of humor
Also, how in the hell people ignore the common sense unwritten rules of the subway. Dude, I'm trying to get off the train, can you wait a freaking second?!