Michael Rubin II (born September 24, 1963) is an American music producer, composer, voice actor and lyricist best known for his work in children’s television. Rubin has created musical pieces for shows including Bubble Guppies, Blue's Clues, Mickey Mouse Clubhouse, and Jack's Big Music Show, among others. On Blue's Clues, Rubin was also the voice of Mailbox. His songs have been performed by artists including Ray Charles, Patti LaBelle, Macy Gray, Randy Travis, India.Arie, Nell Carter, Toni Braxton, Phoebe Snow, and The Persuasions.