Simon Templar
Lamont Cranston
Jim Corrigan
Sir Percy Blakeney
Geoffrey Thorpe
Answers below the cut.
Simon Templar = The Saint (Books and TV)
Lamont Cranston = The Shadow (Radio Series)
Jim Corrigan = The Spectre (Comic Book)
Sir Percy Blakeney = The Scarlet Pimpernel (Book)
Geoffrey Thorpe = The Sea Hawk (Movie)