Photo via Amazon.com<\/a><\/em><\/p>\n Tarder Sauce is a grumpy feline with an eternal frown. But rest be assured, she is a very happy, very loved pet; her appearance is due to an under bite and a condition called feline dwarfism. Her adorably sour expression caused her to become Internet famous. Pictures of her face with grumpy phrases such as \u201cI had fun once. It was awful\u201d have been circulating the Internet since 2012.<\/p>\n 2. Boo the Dog<\/strong><\/p>\n Photo via Buzzfeed.com<\/a><\/em><\/p>\n Boo the Dog is one of the most popular dogs on the Internet. 17 million Facebook followers get to glimpse his adorable face every day. Part of Boo\u2019s charm is his trademark short haircut. Boo has his own book, published in 2011, called Boo: The Life of the World\u2019s Cutest Dog. <\/em>He was born in the San Francisco Bay area and lives with his owner, Irene Ahn.<\/p>\n 3. Waffles The Cat<\/strong><\/p>\n Photo via buzzfeed.com<\/a><\/em><\/p>\n Waffles is a Scottish Fold kitten with a love for waffles. He has his own Tumblr page<\/a>, where he lists his hobbies as people watching, playing, and licking. Waffle\u2019s huge eyes and adorable folded ears help make him popular on the Internet; he currently has over two million Facebook likes.<\/p>\n 4. Marnie the Dog<\/strong><\/p>\n Photo via hercampus.com<\/a><\/em><\/p>\n Marnie is a shih tzu with a miracle of a backstory. She was found by Animal Control in Connecticut in August 2012 and moved to a shelter. After four months in the shelter, a user on petfinder.com adopted her. She thrived with her new owner and became a happy, healthy dog. Her lingering head tilt is from a brief illness she suffered from called vestibular syndrome, and her tongue is just long. Her new owner, Shirley, embraced Marnie\u2019s unique appearance and the Internet did too! Marnie is the most popular rescue dog on Instagram with almost a million followers.<\/p>\n 5. Tuna the Dog<\/strong><\/p>\n Photo via IG @tunameltsmyheart<\/a><\/em><\/p>\n Tuna is a Chiweenie that has garnered Internet fame with his adorable overbite. He was rescued from the streets of San Diego after being abandoned by his original owner. Today, he goes on many adventures and wears many adorable outfits. His owner, Courtney Dasher, uses Tuna\u2019s popularity to contribute to animal rescue groups. Tuna has a book called Tuna Melts My Heart: The Underdog With The Overbite. <\/em><\/p>\n 6. Mishka the Talking Dog<\/strong><\/p>\n Photo via youtube.com<\/a><\/em><\/p>\n Mishka the Husky gained popularity after a video of her appearing to say \u201cI love you\u201d to her owner went viral on YouTube.<\/a> Since then, her owner has uploaded other videos of her saying various phrases. She has close to a million YouTube followers.<\/p>\n 7.\u00a0Sparta the Kitty<\/strong><\/p>\n Photo via youtube.com<\/a><\/em><\/p>\n Sparta the Bengal mix gained fame after he starred in the music video called \u201cThe Mean Kitty Song.\u201d<\/a> His owner, Cory Williams, composed the song, poking fun at Sparta\u2019s kitten-like behavior with lyrics like little bitty kitty wanna bite, bite, bite <\/em>and this little kitty is a ninja, always stalking my feet. <\/em>The original video has almost 100 million views on YouTube.<\/p>\n 8.\u00a0Maru the Dog<\/strong><\/p>\n Photo via en.rocketnews24.com<\/a><\/em><\/p>\n Maru the Shiba Inu has been called \u201cThe smiliest dog in Japan,\u201d and it\u2019s not hard to see why. He is one of the Internet\u2019s most popular dogs, with two million Instagram followers who tune in to his adorable pictures daily.<\/p>\n 9.\u00a0Hamilton the Hipster Cat<\/strong><\/p>\n Photo via youtube.com<\/a><\/em> 10.\u00a0Sam the Cat<\/strong><\/p>\n![\"Picture1\"](\"http:\/\/www.sittingforacause.com\/blog\/wp-content\/uploads\/2015\/11\/Picture14.png\")
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\n<\/em>Hamilton the hipster cat gained fame for his distinctive facial markings, which perfectly resemble a white mustache. Overnight, images of him with text saying \u201cI mustache you a question\u201d and more clever sayings circulated the Internet. He currently has over 100,000 Facebook likes.<\/p>\n