Puppies and leaks go hand in hand, so it should come as no surprise that the identity of the Obama family's new pup "leaked" out early. Bo, a Portuguese water dog, is a gift to the Obama girls from Senator Ted Kennedy, who's a big fan of the breed. Bo's identity was unleashed by a mysterious Internet site. At left, President Obama took Bo for a spin around the White House lawn.
Browse through this gallery to see the pooches of past presidents.
(Alex Wong / Getty Images)