CERAMIC MUG,14OZ,SCOOBY DOO, - INRUH-ROHIN Ruh roh - it's Scooby from Scooby-Doo on a mug! 14-ounce ceramic mug. Features Scooby with funny 'ruh roh!' lettering! A 14-ounce mug, the Scooby-Doo Scooby Ruh Roh Mug makes the perfect gift for fans of the animated TV show Scooby-Doo ! Drink your coffee every morning in Hanna-Barbera style with this mug that features your favorite Great Dane, Scooby, and his catch phrase from the cartoons. If you've got a friend or family member who loves the classic Scooby-Doo cartoons, then make the Scooby-Doo Scooby Ruh Roh ceramic mug a gift!