The internet sensation known as Grumpy Cat, whose real name was Tardar Sauce, passed away on Tuesday and it's possible there will never be another like her, as it's unclear what kind of cat she was.

Grumpy Cat — the world’s most famous feline, whose frowning face spawned countless memes and an empire that includes plush toys, comics, books, calendars, perfume, sneakers, lottery tickets, and even ...

Sad news about one of the internet's most famous cats has left us grumpy. Grumpy Cat, the internet sensation whose sourpuss became online shorthand for feeling grouchy, died on Tuesday at 7 years old, ...

Grumpy Cat, the feline that became an internet celebrity for her permanent scowl, died Tuesday. She was 7. Her family announced the sad news on Twitter. “Besides being our baby and a cherished member ...

Grumpy Cat, the internet's favorite sourpuss pet, died on Tuesday. The furry feline, whose real name was Tardar Sauce, died following complications from a urinary tract infection, the cat's owners ...

(CNN)-- Grumpy Cat, arguably the internet's most popular cat and one of its first viral memes, has died aged 7. The furry sensation's family announced her death on Twitter on Friday. "We are ...

The Internet's most beloved cat died this week at age 7 "I'm still Grumpy from the block," the famous cat tweeted with a photo of herself and the American Idol judge in 2014. Grumpy Cat and her owner ...

I first met Grumpy Cat when she was receiving her lifetime achievement award in 2013 Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has previously ...