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He has even fashioned his hairline to look like mine, as evidenced in this photo of him doffing his hat at the end of Conan O'Brien's show last night.
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For anyone interested in how to accurately tell the difference between myself and Costello in the wild, I offer this brief list of defining characteristics:
1. His hair is longer and wavy, mine is very short
2. The brims of his hats are larger than mine
3. His clothing is expensive, mine is mostly from resale shops and smells of cigars
4. He has Diana Krawl on his arm, I have CHNW (personally, I think I come out ahead on this one)
5. I am the one occasionally mistaken for Elvis Costello, he is the one never mistaken for me.