Who invented the knock knock joke?

Two wee chaps

Previous Random Joke Next

Invent Jokes More Invent Jokes

Who invented rhetorical questions?

How should I know?

Why is a toothbrush a "tooth" brush?

Cause it was invented in Alabama! Inspiration came from the comments(http://mobile.reuters.com/article/idUSKBN0GP1NS20140825 irpc=932)

Knock Knock Joke Jokes More Knock Knock Joke Jokes

What do you call someone who only tells knock-knock jokes?

A Jehovah's Witness.

Why doesn't 'Murica have any knock-knock jokes?

Because Freedom Rings!