Don’t get us wrong - we’ve got nothing against dogs, but it’s fair to say that cats have ruled the internet from day one.

There's one annoyed Persian cat named Gus, who tolerates Father participating in the trend, but his grumpy-looking face is the stuff all Monday moods are made from, and it's purrrfection!

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

The Portsmouth Humane Society takes in all kinds of smiling furry faces, but their newest guest comes off a little grumpy.

Related: Cat's Grumpy Reaction to Waking Up Is All of Us in the Morning Geez, this cat really has it out for his mom's boyfriend. And just look at how serious he is, for all we know, this little ...

Sydney woman faces a US$100,000 Grumpy Cat trademark lawsuit after selling a single cartoon cat T-shirt on Redbubble.

CHP rescued a cat that had a striking celebrity resemblance, as it looked like the popular meme Grumpy Cat.

The real-life Grumpy Cat died five years ago — but for the company that owns the likeness of the oft-memed cat, the trademark lawsuits live on.

This cat is in a happy place despite having a permanently sad face owing to a rare medical condition.

The Grumpy Cat Coin community has raised more than $70,000 for charity and an NFT based on the feline sold for $78K earlier this week.

There's Another New Grumpy Cat on Instagram and She Might Be the Frowniest Feline Yet Kitzia the cat has over 56,000 Instagram followers.

The original Grumpy Cat, real name Tardar Sauce, became an internet sensation after her photo was posted on Reddit.