What’s A Cat Without A Hat The Cat in the Hat is Dr. Suess’ most beloved character. He also stars in his own animated PBS show, where he runs amok of many important life lessons with Nick & Sally. Since so many kids love him, it only makes sense that some want to go as the Cat in the Hat on Halloween or to a fun costume party. Though the big dumpy top hat isn’t so easy to find or make, let alone wear. That’s where a fun The Cat in The Hat Glitter Headband like this one comes in handy.