Grumpy-looking cat goes viral, cheers millions

Angry cat' amasses huge social media following due to his seemingly permanent grumpy expression

These Kittens Have Such Big, Floppy Ears That They Look Like Adorable Bats

Tartar Sauce aka Grumpy Cat made over $100 million by 7 years old. : r/motivation

Angry cat' amasses huge social media following due to his seemingly permanent grumpy expression

Sour puss! Pet owners share snaps of their VERY grumpy cats

International Cat Day: Record breaking cats are the real celebrities

Angry cat' amasses huge social media following due to his seemingly permanent grumpy expression

Chupie the cat: Austin's famous chupacabra just 'doesn't give a meow' - ATXtoday

Is this the new grumpy cat? Feline who permanently looks enraged - even when his owner cuddles him

Rest in Grumpiness : r/blog

IU study says cat videos reduce anxiety, boost energy

Watching cute cat videos is instinctual and good for you

Stray cat rescued from flood channel needs a home — VIDEO, Local Las Vegas

Viral Video Shows Grumpy Cat Is Fed Up Being Called Many Times

Weird-looking cat Wilfred takes internet by storm after video goes viral