Of the three folks currently in the US Presidential Primary race, none have (at the moment) a surname that has a citation in the Oxford English Dictionary. The online OED is ever helpful though, and suggests a possible near-match candidate when a specific lookup fails, and so we get this list:
Obama — obambulate: intr. To walk about; to wander here and there.
Clinton — clintonite: a variety (or a synonym) of
McCain — McCarthyism: …oof.