The Moment: “We’re stoned. Case closed, end of story.” Sheen pitches up – as himself – in this scene from Spike Jonze’s head-screw masterpiece.

Why It's Great: Sheen knows we all know about his nutso lifestyle, but he’s not beyond being a punchline. So long as it’s his joke. Hence this little gem, in which he plays Malkovich’s crazy friend, who also happens to be a stoner, and has a life that seems to have been cultivated in a toilet bowl. Badum, tsch.