Lopadotemachoselachogaleokranioleipsanodrimhypotrimmatosilphioparaomelitokatakechymenokichlepikossyphophattoperisteralektryonoptekephalliokigklopeleiolagoiosiraiobaphetraganopterygon Edit, this isn't spam, it's a word I found on Wikipedia, the longest word ever written by an author apparently.
No, but seriously, I'd probably have to go with Raphael because it's such a cool name to say.