There are lots of places where you might expect humor, but a veterinarian’s office is usually serious business. That is unless you drive by the following vet clinics, who have mastered the art of telling hilarious jokes on their signs.

If you’re a cat lover or just familiar with the four-legged creatures, you’re in for a real treat. The following 35 signs are the “purrfect” way to lighten the mood, all while honoring our feline friends. Take a peek and see which ones are your favorites!