"If Donald Trump wins, my guess is America will look a lot like it did in 'Back to the Future 2,' when Biff was in charge." –Jimmy Kimmel
"In an exclusive interview with the Christian Broadcasting Network Donald Trump said 'I believe in god.' But of course Donald thought he was talking about himself." –Jay Leno
"Donald Trump is attacking President Obama's background. And I said, 'Wait a minute, Trump also is from a mixed background. He's half jack and half ass.'" –David Letterman
"Stupid presidents, smart presidents, white presidents, black presidents -- doesn't work! What this country needs is a crazy Third World dictator. And Donald Trump has what it takes to be that. He's already got a plane with his name on it, solid gold buildings, a harem..." –Lewis Black, on Donald Trump
"This is what I've been waiting for my whole life. A President who's not afraid to tell the truth about being a lying a**hole." –Lewis Black
"Donald Trump said he can't make a final decision about whether he will run for president or not until this season of 'Celebrity Apprentice' is over. Which is maybe the best excuse from a guy who might run for the presidency ever -- I am unable to decide on whether or not I will run for President until I decide whether Latoya Jackson or Jose Canseco will be my new Apprentice." –Jimmy Kimmel
More at link:
http://politicalhumor.about.com/od/celebrities/a/Donald-Trump-Jokes.htm