The Funniest Joke Ever Posted on March 23, 2017March 23, 2009 by admin Q:Knock Knock Whos There Arentcha Aretcha Who A:Arentcha You Gonna Get Back To Work. Spread the love Related posts: Knock KnockWho’s there?Alfred!Alfred who!Alfred the Knock KnockWho’s there?Alexia!Alexia who?Alexia again Knock KnockWho’s there?Doughnut!Doughnut who!Doughnut open Knock KnockWho’s there?De Witt!De Witt