knock knock jokes

Knock Knock
Who's there?
Abe!
Abe who?
Abe C D E F G H...!

 Knock Knock
Who's there?
Datsun!
Datsun who?
Datsun old joke!

Knock Knock
Who's there?
Kent!
Kent who?
Kent you tell who it is?

Knock Knock
Who's there?
Ping Pong!
Ping Pong who?
Ping Pong the witch is dead....!