George Cloony having the entire guest speaking part of saying ‘woof’ has to be the best.. Of course, I think he was game for that..
George Clooney was a fan before they even had a TV deal...he sent copies of “Spirit of Christmas” out as Christmas cards to half of Hollywood.
George Clooney is actually the person who ‘discovered’ the South Park creators and, political differences aside, they are supposedly still friends: http://www.starpulse.com/news/index.php/2006/01/30/george_clooney_has_no_hard_feelings_for_