Diving into the Viral Vortex: 18 Pets Who Rose to Social Media Stardom and Their Unforgettable Tales
Boo

Boo, dubbed "The World's Cutest Dog," was a Pomeranian who became a sensation due to his teddy bear-like appearance. His owners started a Facebook page for him in 2009, which quickly gained millions of followers. Boo's popularity led to a book deal and a line of stuffed animals, demonstrating the commercial potential of viral pets.