Crossword clues for Allen's successor 4 lettersAnswerCluePAARSteve Allen successorPAARAllen successorPAARAllen's successorPAARAllen's successor on "The Tonight Show"PAARSteve Allen's successorLENOSuccessor to AllenPAARAllen's successor on late-night TVPAARAllen's "Tonight" successorPAARAllen's "Tonight Show" successorPAARAllen late-night successorPAARAllen's late-night successorJACKPAARSteve Allen successor