Between Boo , Beast , Luna , Maru , and Giggy , there is some ruff competition for who's the top pet Internet sensation. From box-obsessed Maru to fashionable Luna to Mark Zuckerberg's Beast and Pomeranians Boo and Giggy, to make it as top dog (or cat) it's not enough to be an adorable furball, you gotta have style and social media skills to boot! Click through this slideshow of our favorite pet celebs and then tell us who's your pick!
The furry little Pomeranian  who started it all has 963,000 Facebook fans!
Mark Zuckerberg's sweet puppy  may be new to the scene, but he's already got 75,610 Facebook fans and counting!
This box-crazed kitty  is hilarious to watch !
Hailing from The Real Housewives of Beverly Hills , this lil Pomeranian has a blog and a Twitter account!
This Persian kitty is quite fashionable , and in addition to her Facebook she has her own YouTube channel!