Because you like Astrid Hofferson in How to Train Your Dragon

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

A laid-back stoner, Ben Stone wasn't planning on life's ultimate responsibility. See them in Knocked Up.

Known as the "rat king" of Paddy's Pub, bartender Charlie Kelly spends most of his time drinking at his bar instead of serving drinks to customers. See them in It's Always Sunny in Philadelphia .