Question: What 1986 American animated mystery comedy was storyboarded by Matthew O'Callaghan?
Sentence (from "Scooby-Doo! Mystery Incorporated"): Mystery, Inc.) is an American animated mystery comedy-drama series; the series serves as the eleventh incarnation of the "Scooby-Doo" media franchise created by Hanna-Barbera, as well as the first that was not originally run on Saturday mornings.
Relevant evidence: No