Michael Cera
So, what's the significance of Shirley? ''It's not significant at all,'' Cera admits. ''I think it has something to do with Land O Lakes butter. On the back it says 'Land O Lakes,' and there's a woman, I think. That might be Shirley. That's just a guess, though. I bought it at a second-hand store in Atlanta. It's the only shirt in there that fit me. It's in a pile of clothes right now.''