CHATTANOOGA, Tenn. (WDEF) – Ruh Roh! Scooby-Doo, where are you? Scott Innes, the iconic voice actor of many children’s cartoons, will be one of the featured guests at the Chattanooga Comic Con. Innes is known for the voices of Scooby-Doo, Shaggy, Yogi Bear, Boo Boo, Fred Flintstone, and…