Crossword clues for Predecessor of Carson 4 lettersAnswerCluePAARCarson predecessorPAARJohnny Carson predecessorPAARCarson's predecessor on "The Tonight Show"PAARCarson's predecessor at NBCPAARPredecessor of Carson, Leno, O'Brien, Leno again, and, soon, FallonPAARCarson's predecessor as host of the "Tonight Show"PAARPredecessor of CarsonPAARCarson's predecessorPAARCarson's TV predecessorPAARCarson's "Tonight Show" predecessorPAARCarson's late-night predecessorJACKPAARJohnny Carson's predecessor