Celebs tweet about Clint Eastwood at GOP convention

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."