Barney, George W. Bush's dog, dies

President George W. Bush, carrying his dog Barney, and First Lady Laura Bush step off Air Force One 13 August 2007 upon arrival at the Texas State Technical College Airport in Waco, Texas.

President George W. Bush walks across the South Lawn from the Marine One helicopter with his pet dog Barney upon returning to the White House April 12, 2005 in Washington, DC.

President George W. Bush carries his dog Barney off Air Force One upon landing at Texas State Technical College in Waco, TX, 26 December 2007.

President George W. Bush's dog Barney walks in the Rose Garden of White House in Washington, DC 14 September, 2007.

President George W. Bush salutes upon arrival at Andrews Air Force Base in Maryland, carrying his dog Barney from Air Force One 29 July, 2004.

First Lady Laura Bush walks her dogs Miss Beazley (L) and Barney at the Rose Garden of the White House 31 July 2006 before the return of President George W. Bush to Washington, DC.

Cookies in the shape of President George W. Bush's dog, 'Barney,' were on the dessert table in the State Dining Room during the press preview of the White House holiday decorations November 30, 2006 in Washington, DC.

Photo by Jay L. Clendenin-Pool/Getty Images

The dogs of President George W. Bush and first lady Laura, Barney (L) and Miss Beazley enjoy some play time on a warm winter afternoon January 31, 2005 in Washington, DC.

Oil painting of Barney the dog, painted by his owner, former President George W. Bush. Mr. Bush announced on Feb. 1, 2013 that Barney passed away after struggling with lymphoma.