The first to have had a dog during his presidency was George Washington, while Barack Obama most recently had two dogs during his presidency.
So far, President Donald Trump has yet to have a pet since entering the White House, and shows no sign of changing his pet ownership status, making him the most recent president to not have a dog in the White House since William McKinley over 100 years ago.
Here are 25 photos of some of the most adorable and well-known canines to grace the Oval Office.
Grover Clevelands cocker spaniel named Gallagher had a brown coat and ears of "inconvenient length."
Warren Hardings terrier, named Laddie Boy, was six months old when he moved into the White House.
Calvin Coolidges collie Rob Roy was named after the popular cocktail.
Hulton Archive/Getty Images
Herbert Hoover had a Belgian shepherd named King Tut, who would patrol the gates of the White House on a nightly basis. He also helped Hoover get elected, appearing in a campaign photo.
Franklin Roosevelts German shepherd, Major, used to chase the White House maids around.
FDR also had a Scottish terrier named Fala that would often accompany the president on his travels.
Harry Truman gave away his dog, a cocker spaniel named Feller, to a family physician because he was not a dog lover.
Soviet leader Nikita Khrushchev gave John F. Kennedy a dog named Pushinka as a gift.
Other than Pushinka, JFK had eight dogs, including his German shepherd named Clipper.
Two of Lyndon B. Johnsons beagles, Him and Her, were frequently on the receiving end of the president pulling their long ears.
One of Lyndon B. Johnsons beagles named Kimberly was given to his daughter Luci.
Luci also got another one of his beagles named Freckles.
LBJ found his fifth dog, a terrier mix named Yuki, at a Texas gas station on Thanksgiving in 1966.
Richard Nixons three dogs were an Irish setter named King Timahoe, a poodle named Vicki, and a terrier named Pasha.
Gerald Ford and his daughter Susan had a golden retriever named Liberty. Susan got Liberty as a surprise for her father when she was a puppy. Years later, Liberty had nine puppies of her own.
Jimmy Carter had a border collie mix named Grits that was born on the same day Carter was elected president.
Ronald Reagan had two White House dogs. The one seen here was a Bouvier des Flandres named Lucky that Nancy Reagan received as a gift in 1984.
Reagans other dog in the White House was a Charles Spaniel named Rex.
George H.W. Bush had two Springer Spaniels, Millie and Ranger.
Bill Clinton named his chocolate Labrador retriever Buddy after his great-uncle.
George W. Bush and his first dog in the White House, an English Springer Spaniel named Spot, was one of Millies puppies.
Bush also had two Scottish Terriers named Barney and Miss Beazley, who were separated in age by four years.
Evan Sisley-Pool/Getty Images
The Obamas had two famous Portuguese Water dogs named Bo and Sunny.
Bo often exercised and played with the president.
Official White House Photo by Pete Souza
Bo and Sunny were so popular that they apparently had official White House schedules for all of their appearances.
Donald Trump bucked White House tradition when he went two years in office without a dog.
Olivier Douliery-Pool/Getty Images
Trump told a crowd in February 2018 that though he "wouldnt mind having one," he doesnt have any time and getting a dog to improve his image would feel "a little phony."
Associated Press/Susan Walsh
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