Scooby-Doo Original Production Drawing Signed by Bob Singer: Shaggy, ScoobyShaggy, Scooby MEDIUM: Original Production DrawingIMAGE SIZE: 10. 5" x 9. 5" SIGNED: Bob SingerSKU: IFA5103 ABOUT THE IMAGE: The Hanna Barbera cartoon, Scooby Doo, Where Are You? was launched in 1969 and has had the longest run of a cartoon series. Over the years, the franchise has been adapted into 19 TV series (on CBS, ABC, the WB, Cartoon Network and Boomerang), more than 40 animated films, and two live action movies, one of which grossed $275