From Merry Makers. Tra-La-Laaaa! Captain Underpants is the greatest, underwear-wearing superhero from the creative mind and bestselling author-illustrator, Dav Pilkey. Back by popular demand, this plush pal is bigger, better, and ready for more adventures! Action-packed with his red cape and tighty-whitey underwear, this fan-favorite is here to save any storytime.