Check out the brothers' hilarious April 2 TikTok video ... others couldn't help but compare the grumpy cat's look to other unhappy-looking characters. Someone even compared him to one of those ...

He just has the funniest expression on his face! Maine Coon cats are actually really chill, and some people claim they are even more like dogs than cats. The way they play, how af ...

And while it might not look like 2-year-old Romeo is having the best time in some of the photos, that's just the peke-faced cat's appearance. "Romeo looks grumpy but he is the sweetest cat I have ...

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 ...

Bryan Bundesen, her brother and business partner, posted a photo of Tardar Sauce online in 2012, inadvertently launching the Grumpy Cat empire. U.S. District Judge David Carter said before the cat was ...

Titled “Grumpy” in reference to a string of previous “blank cat” memes, Tardar Sauce only looks grumpy for medical reasons. It later came out that her signature resting grumpy face is a ...