Question: Which American animated television series has C. H. Greenblatt worked on
Sentence (from "The Grim Adventures of Billy &amp; Mandy"): It follows two children named Billy—a slow-witted boy—and Mandy—the cynical best friend—who, after winning a limbo game to save Billy's pet hamster, gain the mighty Grim Reaper as their best friend in eternal servitude and slavery.
Relevant evidence: No