A sampling of celebrity tweets in response to Clint Eastwood's odd conversation with an invisible President Barack Obama in an empty chair before the Republican National Convention on Thursday:

_ "This seat's taken." – President Barack Obama, accompanied by a photo of the back of Obama's chair with him sitting in it.

_ "20 years ago I wanted Clint Eastwood to make my day. Now I just want him to take his pills and b grateful he doesnt need medicare." – Nancy Lee Grahn, "General Hospital" actress.

_ "I demand to see Invisible Obama's invisible birth certificate." – Michael Schaffer, The New Republic.

_ "Clint Eastwood made my day." – Charlie Daniels, country singer.

_ "And so on this day, August 30, 2012, (at)MittRomney became a better actor than Clint Eastwood." – Lawrence O'Donnell, host of MSNBC's "The Last Word."

_ "I can't believe I just watched (hash)ClintEastwood turn into somebody's DRUNK UNCLE HARRY on the stage of the (hash)GOP (hash)RNC. He humiliated himself." – Star Jones, "Today" contributor.

_ "I. Love. Clint Eastwood." – Blake Shelton, country singer and judge on "The Voice."

_ "I heard that Clint Eastwood was channeling me at the RNC. My lawyers and I are drafting our lawsuit." – comic actor Bob Newhart, referring to his signature one-way-conversation routines.

_ "`If Clint Eastwood ever talks to a chair on national TV, people will need a way to reassure each other' – inventor of Twitter, March 2006." – Patton Oswalt, comedian and actor on "The King of Queens."

_ "Clint Eastwood's RNC speech was to imaginary Obama in an empty chair. I'm drafting a DNC speech to imaginary Romney in an empty factory." – George Takei, Mr. Sulu of "Star Trek."

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  • An Ecological Man

    "You are an -- an ecological man. Why would you want to drive that around?"

  • Biden Zinger

    "You're crazy, you're absolutely crazy. You're getting as bad as Biden. Of course we all now Biden is the intellect of the Democratic party."

  • Don't Mention Romney's Law Degree

    "I think attorneys are so busy -- you know they're always taught to argue everything, and always weight everything -- weigh both sides. They are always devil's advocating this and bifurcating this and bifurcating that. You know all that stuff."

  • Hot-Dogging It

    "There are a lot of conservative people, a lot of moderate people, Republicans, Democrats, in Hollywood. It is just that the conservative people by the nature of the word itself play closer to the vest. They do not go around hot-dogging it."

  • You Know? You Don't.

    "I mean, what do you say to people? Do you just -- you know -- I know -- people were wondering -- you don't -- handle that OK."

  • Whose War Was That Anyway?

    "But you thought the war in Afghanistan was OK. You know, I mean -- you thought that was something worth doing. We didn't check with the Russians to see how they did there for the 10 years."

  • Possibly, Maybe Time For Romney?

    "Whenever interest they have is not strong enough, and I think possibly now it may be time for somebody else to come along and solve the problem."

  • Tell Romney

    "What do you want me to tell Romney? I can't tell him to do that. I can't tell him to do that to himself."

  • Maybe Use A Plane

    "And I think it's that time. And I think if you just step aside and Mr. Romney can kind of take over. You can maybe still use a plane."

  • Mental Masochists

    "What I'm saying, we do not have to be mental masochists and vote for somebody that we don't really even want in office just because they seem to be nice guys or maybe not so nice guys."