Phil Harris and Dennis Day rode the popularity of Jack Benny on their own programs on NBC. In fact, for the first two years of its run, Harris' show immediately followed Benny's.
Superman_41-08-29_e0243_DrRoeblingAndTheVoiceMachine
LA510614 - Jukebox Jamboree [441]
LR450530 - Hero's Grave
LUX 822 530323 Fourteen Hours (AFRS)(Poor Sound)
Superman_46-11-06_e1093_DisappearanceOfClarkKent,The