McCain? Nope. Obama? Nope. Optimus Prime? Nope.
Very much a science joke based on his whole Cat Hypothesis. Made using a low res photo as a template, hand tracing the vectors and then cleaning it all up. More a project for me at imitating the election style.
Yes, I know the original joke is old.
Original photo from Corbis used with Fair Use for Parody in mind.