"Knock Knock" joke

Person 1: Knock, Knock
Person 2: Who's there?
Person 1: Cows go.
Person 2: Cows go who?
Person 1: No, silly! Cows go moo!

Knock Knock.
Who's there?
Banana.
Banana who?
Knock Knock.
Who's there?
Banana.
Banana who?
Knock Knock.
Who's there?
Banana.
Banana who?
Knock Knock.
Who's there?
Banana.
Banana who?
Knock Knock.
Who's more...

Knock knock?
Who's there?
Howie.
Howie who?
Howie gonna figure this out?

Knock Knock!
Who's there?
Voodoo.
Voodoo who?
Voodoo you think you are?

Once there was a farmer who sired four daughters. After they reached
puberty, he fretted for their virtue and always answered the door with a
loaded shotgun in his hands.
One night he answered a knock at the door to find a young man standing at
his threshold. The more...