Tony Cervone’s Scoob introduces the origins of Scooby, Shaggy, Fred, Velma and Daphne before they became the world’s favourite amateur detectives The first trailer of Warner Bros’ upcoming animated movie Scoob! Shaggy looks at a box of cookies labeled “Scooby Snacks” before answering “Scooby Dooby Doo” — revealing how the dog got his iconic name. Further, the clip reveals how …