Looney Tunes, once known as Loony Toons, is a fun-filled cartoon series with all-time great characters like Bugs Bunny, and more! If you're a fan of this classic cartoon series, then these are the pajama pants for you! These pajama pants feature the Looney Tunes character known as Bugs Bunny with his phrase "What's Up Doc?" beneath him. The pants themselves are made of a soft 60% cotton and 40% polyester fabric blend, for casual wear and lounging about! These are the best!