Question: Boomerang specializes in classic and contemporary animated programming, including an American animated cartoon franchise that was created for Hanna-Barbera Productions by writers Joe Ruby and who else?
Facts:
Boomerang (TV channel) specializes in classic and contemporary animated programming, including Scooby-Doo
Scooby-Doo was created for Hanna-Barbera Productions by writers Joe Ruby and Ken Spears
Answer: Ken Spears