Dalmatians?

dalmation cats and dogs

Awwww, aren’t they all cute? This is why, ladies and gentlemen, it’s important to spay and neuter your pets. Before something catastrophic happens like this. Okay, not so much of an optical illusion as all the others on the site, but it should put a smile on your face, right?

See this Dalmatian Dots for a related optical illusion.