"Ricardio the Heart Guy" is an episode of an animated television series that was created by who?
Adventure Time (season 1): The first season of "Adventure Time", an American animated television series created by Pendleton Ward, premiered on Cartoon Network on April 5, 2010 and concluded on September 27, 2010. Adventure Time (season 1):  The season was produced by Cartoon Network Studios and Frederator Studios.
i don't know