Chicago Dentist Behind 'Hillary for 2012' Ads Is Even Creepier Than We Thought Jim Newell · 09/03/10 03:12PM A reader who lives near William DeJean, the nutty Chicago dentist who's randomly running "Hillary 2012" ads on TV in New Orleans, sent in a photo of DeJean's office window, showcasing a Hillary Clinton cut-out and Bill Clinton rubber mask.