"My Two Favorite People" is the ninth episode of the first season of the American animated television series Adventure Time. The episode was written and storyboarded by Kent Osborne and series creator Pendleton Ward, from a story by Merriwether Williams and Tim McKeon. It originally aired on Cartoon Network on May 3, 2010. The episode guest stars Vincenzo Rauso as Tiffany. The series follows the adventures of Finn (voiced by Jeremy Shada), a human boy, and his best friend and adoptive brother Jake (voiced by John DiMaggio), a dog with magical powers to change shape and grow and shrink at will. In this episode, Jake feels overwhelmed at not having enough time for Finn and his girlfriend, Lady Rainicorn (voiced by Niki Yang), so he tries to get them to hang out more. Eventually, Finn and Lady Raincorn become closer than Jake is comfortable with, and he starts feeling jealous. Plot Jake is frustrated that he does not have enough time to hang out with both Finn and his girlfriend, Lady Rainicorn (voiced by Niki Yang), so he tries to get them to hang out more. At first, this attempt to get Finn and Lady to bond is hampered by Finn being unable to speak Lady Rainicorn's language, Korean. However, Jake remembers and secures a universal translator from the bottom of a lake, the two are able to converse easily and soon develop a friendly relationship. Eventually, Finn and Lady Raincorn become closer than Jake is comfortable with, and he starts feeling jealous. To make Finn and Lady feel jealous, Jake calls his old friend Tiffany (voiced by Vincenzo Rauso) and asks him to play viola with him. Finn and Lady confront Jake and Tiffany, and after an altercation, Jake realizes he was in the wrong. Jake then makes up with Finn and Lady, and he gets rid of the universal translator. Production "My Two Favorite People" was written and storyboarded by series creator Pendleton Ward and Kent Osborne, from a story developed by Merriwether Williams and Tim McKeon. The entry was directed by Larry Leichliter. Ward made sure that the ending "turn[ed] the moral on its head", by adding the line "No man, let's always be stupid… forever!" Ward explained, "I just cringe when there's a serious moral to be learned at the end of a story. I'll always turn the moral on its head if the episode needs