Boo was hailed as the world’s cutest dog — and we don’t disagree.
Boo (2006-2019) was one of the most beloved dogs in world after first gaining fame in 2010, thanks to a tweet from Kesha.
He went on to have two books written about him, “Boo: The Life of the World’s Cutest Dog,” and “Boo: Little Dog in the Big City.” A stuffed animal of Boo was also extremely popular.
At the time of writing, Boo has 16 million likes on Facebook, even after his death on January 2019.
