Knock KnockWho’s there?Jethro!Jethro who?Jethro the Posted on October 11, 2017October 11, 2009 by admin Knock KnockWho’s there?Jethro!Jethro who?Jethro the boat and stop talking so much! Spread the love Related posts: Knock KnockWho’s there?Beezer!Beezer who?Beezer black Knock KnockWho’s there?Grammar!Grammar who!Grammar crackers. Knock KnockWho’s there?Adelia!Adelia who?Adelia the Police