scoobydoo TV toon dog Unmasker of many a false ghost TV character introduced in '69 Mystery-solving Great Dane of cartoons Great Dane of cartoons Great Dane of animated cartoons Crime-solving animated dog who rides in the Mystery Machine: Hyph "Where Are You!" toon pooch "Ruh-roh!" pooch Cartoon dog Hanna-Barbera cartoon dog Shaggy's dog Clue in Bow and the dog who might solve it? Clue for mystery solver on TV Cartoon canine Mystery Machine passenger Toon pooch Animated pooch