Scooby-Doo on Zombie Island Original Production Cel signed by Bob Singer: ScoobyScooby MEDIUM: Original Production Cel on Printed BackgroundSIZE: Cel 10. 5" x 9"SIGNED: Hand Signed by Bob Singer SKU: IFA11299 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 its been in 19 TV series (on CBS, ABC, the WB, Cartoon Network and Boomerang) and more than 40 animated films and two live action movies; one grossed $275 million