You know you've become the most powerful person in the world when the bulky men in suits and sunglasses start calling you by a funny name. Since you all had so much fun with the Obama and Biden families' secret service code name quiz and our 2008 campaign-edition, too, I thought I'd test your knowledge of the monikers given to past presidents. To celebrate President's Day, try to match the POTUS to his code name!

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