Roz Ryan

Rosalyn Bowen (born July 7, 1951), known professionally as Roz Ryan, is an American voice actress and singer, as well as a comedian. She has provided her voice to Bubbie the whale and Cake the Cat from respective Cartoon Network shows The Marvelous Misadventures of Flapjack and Adventure Time, and as Madam President in the Pixar series Buzz Lightyear of Star Command.