The Two Man Gentlemen Band is a musical duo who play pre-war American Jazz and Western Swing music. They consist of Andy Bean (banjo, tenor guitar, vocals, kazoo, etc.) and Fuller Condon (upright bass, backup vocals and kazoo). Bean is the primary composer for Wander Over Yonder. The duo also perform the score as well as the theme song. A live-action photo of them is seen briefly in "The Void".