From the pictures I've seen of it, he looks like a well dressed gentleman. Similar to the style he had going in 'From Hell'.
Johnny's too hot for his own good. 
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Jack Sparrow:Me? I'm dishonest, and a dishonest man you can trust to be dishonest... Honestly. It's the honest ones you want to watch out for, because you can never predict when they're going to do something incredibly stupid.