14 Anonymous In: Question-Answer Who’s on First is a comedy routine made famous by which duo? 14 Who’s on First is a comedy routine made famous by which duo? Laurel & Hardy Abbott & Costello The Smothers Brothers 1 Answer Voted Oldest Recent Random Best Answer Goto 2021-04-17T15:16:43+00:00Added an answer on April 17, 2021 at 3:16 pm The correct answer is Abbott & Costello. 17 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment.