Elizabeth Mitchell Fitterer, also known as Lebeth, is Dylan's wife. She designed the user interface for Audiosurf. Lebeth currently runs / owns Mitchell Research. She is also known to have worked for Microsoft Game Studios as a Usability Engineer and has worked on such games as Dungeon Siege: Legends of Aranna and Sudeki. This article is a . You can help the Official Audiosurf Wiki by expanding it with your extensive knowledge of all things Audiosurf.