Everybody knows about dwarf dogs, the cute Dachshunds and Corgi dogs.
In fact, the word “Corgi” means dwarf in Welsh:

"Corgi" means "dwarf" in Welsh!
It happens to humans too, and Achondroplastic dwarf people can lead normal lives:

Achondroplastic dwarfs have a regular sized torso and head, but with stunted limbs
I own several achondroplastic dwarf horses:

Spot – the world’s shortest Appaloosa

Twinkie – Short legs, but she can run like the wind!
Now they have achondroplastic dwarf cats.
They call them munchkin cats, very cool.

A dwarf "munchkin" cat
I may get one, a need more of my collection of tiny critters:

(L to R) BB, Noel and DKB (not a dwarf)