Question: Who is the creator of the television show of which Ricardio the Heart Guy is an episode?
Sentence (from "Adventure Time (season 1)"): Finn and Jake live in the post-apocalyptic Land of Ooo, where they interact with the other main characters of the show: Princess Bubblegum, The Ice King, Marceline the Vampire Queen, Lumpy Space Princess, and BMO.
Relevant evidence: No