Question: When did the short series, in which Tom Herpich is best known for, become commissioned into a full-length series?
Sentence (from "Adventure Time"): Finn and Jake live in the post-apocalyptic Land of Ooo, where they interact with Princess Bubblegum (Hynden Walch), the Ice King (Tom Kenny), Marceline the Vampire Queen (Olivia Olson), BMO (Niki Yang), and others.
Relevant evidence: No