Question: Were both The Haunted World of El Superbeasto and Mary and Max both  based on comic book series? 
Sentence (from "Mary and Max"): Mary and Max is a 2009 Australian stop motion animated comedy-drama film written and directed by Adam Elliot as his first animated feature film with music by Dale Cornelius and produced by Melanie Coombs and Melodrama Pictures.
Relevant evidence: Yes