Like most Internet sensations, Tardar Sauce, a.k.a. Tard, a.k.a. Grumpy Cat, first achieved digital fame thanks to a viral Reddit post in 2012. Since then, this frowning feline became the meme to end all cat memes (sorry, Chemistry Cat and Ceiling Cat).

Grumpy Cat is known for hating most humans, cutting off every cheerful sentiment with “no,” and referring to just about every fun activity on the planet as “it was awful.” She pretty much sums up how we all feel on Monday morning, and that’s exactly why we love her so much.

The famous cat’s notorious expression comes from a form of feline dwarfism, but that hasn’t stopped her from landing TV appearances (including ‘American Idol’ and ‘The Bachelorette’), launching a book titled ‘Grumpy Cat: A Grumpy Book,’ attending SXSW, starring in a movie, and landing a Friskie’s sponsorship. Yep, this severely unhappy cat is beating most of us at life. Still, she would probably find this totally awful.

Despite her attitude, Grumpy Cat has won both Meme of the Year and Most Influential Cat awards since her rise to Internet fame. On the scale of famous memes, we’d put Grumpy Cat up with Chuck Norris memes, Ermahgerd memes, and Bad Luck Brian memes. Needless to say, Grumpy Cat’s owners have their hands full managing the packed schedule of this furry celebrity.

While there are hundreds of Grumpy Cat memes to pick from when it comes to making a list of the funniest ones, we’ve narrowed down the best we could find from scouring the Internet. From disgruntled to annoyed to just plain mean, Grumpy Cat never fails to provide commentary for any happy mood you want to ruin. Check out the 50 Funniest Grumpy Cat Memes, and try not to laugh at the pure grumpiness before you.