Mr. Murfy No Shoes was the persona adopted by Murf in a black and white 1920s-era holodeck program set at The Key Club. Despite Murf being unable to speak, his persona was an accomplished jazz singer. He sang "Smile and Forget It".(PRO: "Ghost in the Machine")
Mr. Murfy No Shoes' singing voice was provided by Troy Kline, who was uncredited.