Boo is a Pomeranian. The dog is an Internet sensation that first became popular on Facebook. He has over 16 million Likes on Facebook, as of 2014.
Boo gained attention in October 2012 after the singer Kesha sent a tweet about him. Boo is the subject of four photo books, including "Boo: The Life of the World's Cutest Dog" and "Boo: Little Dog in the Big City." He is a spokesdog for Virgin America airlines and was named the Official Pet Liaison of Virgin America in July 2012. He was the subject of a death hoax in April 2012. Boo was born in 2006 in San Francisco, Calif.