Some double acts have made such an impact that they'll never be forgotten. Laurel and Hardy, Lemon and Matthau, and Key and Peele have etched their names in the history books, some of the best ...

Mike Connor (Frank Sinatra): I have heard, among this clan/ You are called the forgotten man. C. K. Dexter Haven (Bing Crosby): Is that what they’re sayin’? Well, did you evah?/ What a swell party ...