Tommy and Dick SmothersFor decades now they've looked like a couple of squares, with their cardigan sweaters and those tidy haircuts, but it's their sneakily subversive brand of comedy that made the two jokesters from New York City household names. Now, The Smothers Brothers are puting away their touring shoes for good after more than 50-odd years on the road.

Tommy and Dick Smothers surprised a packed house at Las Vegas' Orleans Showroom on Sunday with the news, telling fans "we're not doing anything new" anymore.