↑McDonnell, Chris (2014). Adventure Time: The Art of Ooo. Harry N. Abrams. p.35. ISBN978-1-4197-0450-5. Cartoon Network management decided to hire some experienced help in several key position to nudge the production toward smoother operation. Derek Drymon was brought on as an executive producer. Merriwether Williams was hired as story editor. Nick Jennings was hired as art director. All three were veterans of SpongeBob SquarePants