Grumpy Cat was introduced to Reddit on Sunday, and she’s already won over our hearts with her cuddly curmudgeonliness. We’ve collected our favorite Grumpy Cat pictures here.

Grumpy Cat, one of the internet’s most famous cats, died this week due to complications with a urinary tract infection. She was just over seven years old. Grumpy Cat’s owners announced her ...

In seven years, Grumpy Cat achieved more celebrity than most of us could ever dream of. The cranky internet sensation’s million-dollar frown and deadpan humor captured our hearts, especially ...

A grumpy ginger cat is taking over the internet with a very unusual meow — in fact, he's being compared to a real velociraptor!

From overdoing the in-jokes to underplaying the Christmas cheer, here are a paw-ful of facts we learned from 'Grumpy Cat's Worst Christmas Ever.' ...

Grumpy Cat's official YouTube channel has almost 6.4 million views and more than 12,000 subscribers. "We have sold over 17,000 Christmas cards and we are donating a portion of the proceeds to ...

Grumpy Cat — the angry-looking celebrity feline who launched countless internet memes — died on Tuesday. The beloved cat leaves behind her owner Tabatha Bundesen, a small empire of books and ...

Grumpy Cat was one of about two dozen Internet celebrities who toured the park on Tuesday as part of a new marketing tactic by Disney. ... humor and real passion for our parks." ...

NEW YORK — Watch out world, Grumpy Cat has hit her terrible twos. The top dog in Internet cat stardom, known for her downward smile and bugged-out baby blues, spent her birthday Friday touring ...

Lifetime’s weirdly meta film, Grumpy Cat’s Worst Christmas Ever—which comes complete with Aubrey Plaza appearing onscreen to announce she’s voicing the beloved Internet meme—is ...

Grumpy Cat — the angry-looking celebrity feline who launched countless internet memes — died on Tuesday. The beloved cat leaves behind her owner Tabatha Bundesen, a small empire of books ...