Jim and Luella Clegget
Successful, married singing duo targeted by The Phantom Troubadour and his gang in the "Troubadour of Terror" story in The Human Torch comic book, Vol. 1, #31 (July, 1948). Superheroes the Sub-Mariner and Namora arrive in time to prevent them from being murdered.
They co-composed the popular song "Death in Venice," along with Vladimir Borsch, Leo Briggs, and David Larnum. The song's title, "Death in Venice," is taken from the 1912 novella of the same name by Thomas Mann.