In honor of Presidents Day on Monday, here's a look back at some of the presidential pets that have roamed the White House.
Spot, 2001

President George W. Bush’s English Springer Spaniel, Spot, plays on the south lawn of the White House in 2001. Spot is the offspring of former first dog, Millie. Millie lived in the White House with her owner President George H.W. Bush from 1989 to 1993.
Socks, 1994

President Bill Clinton’s pet cat Socks peers over the podium in the White House briefing room.
Champ

Then-Vice President Joe Biden’s dog, Champ, lies down during a Joining Forces service event at the vice president’s residence in Washington. Champ and Biden’s other dog, Major, are now residents of the White House.
Sunny & Bo, 2013

Sunny, foreground, and Bo, Portuguese water dogs belonging to President Barack Obama, walk along the West Wing of the White House.
Checkers, 1959

Vice President Richard Nixon holds his dog Checkers at his home in Washington.
Millie, 1989

First lady Barbara Bush and her granddaughter, Marshall Lloyd Bush, look at the Bushes’ dog Millie and her litter of puppies at the White House in Washington.
Macaroni, 1962

President John F. Kennedy’s daughter Caroline Kennedy rides her pony, Macaroni, on the south grounds of the White House in Washington.
Laddie Boy, 1922

Laddie Boy, President Warren G. Harding’s terrier, is shown on Aug. 1, 1922.
Misty, 1977

President Jimmy Carter’s daughter Amy holds her cat, Misty, at the White House.
Lucky, 1985

President Ronald Reagan, along with his son Michael’s family and the president’s dog Lucky, gather around a snowman on the White House grounds, Jan. 19, 1985. From left are Michael’s son Cameron, the president, Michael, and his wife, Colleen, holding their daughter Ashley.
Skip, 1905

President Theodore Roosevelt, with his dog Skip on his lap, sits in the doorway of his Colorado house.
President Joe Biden and first lady Jill Biden's two German shepherds, Champ and Major, officially joined the first family in January in their new residence at 1600 Pennsylvania Ave.: