The guy behind the Nixon mask was waving the v-signs and doing his NIxonesque yelling, how "it's a Richard Nixon party!....I am not a crook!...." and that sort of thing. The delegates stood on line for credentials and kind of stared. Somebody who knows these things said the 'Nixon' who was shooed away was Randy Credico, the comedian who announced a Democratic primary against Chuck Schumer. If you didn't get the connection for his latest bit, Cox is a son in law of the late Republican president.