George Robert Crosby (August 23, 1913 – March 9, 1993) was an American jazz singer and bandleader, best known for his group the Bob-Cats, which formed around 1935. The Bob-Cats was a New Orleans Dixieland-style jazz octet. He was the younger brother of famed singer and actor Bing Crosby. On TV, Bob Crosby guest-starred in The Gisele MacKenzie Show and was also seen on The Jack Benny Program. Crosby hosted his own afternoon TV variety show on CBS, The Bob Crosby Show, which aired from 1953 to 1957.