Since October 31st is “National Knock-Knock Joke Day” we thought it’d be fun to compile some of the best knock-knock jokes we’ve heard, and some of the worst. So here are a few that can brighten your Halloween Friday while you’re stuck in a boring lecture hall, or you can use them to bother people. Either is fine. Enjoy!

Some of the better ones:

Knock knock!

Who’s there?

Juno.

Juno Who?

Juno I’m out here, right?

***

Knock Knock!

Who’s there?

Cousin.

Cousin who?

Cousin stead of opening the door, you’re making me stand here!

***

Knock knock!

Who’s there?

Britney spears

Britney spears who?

***

Knock knock!

Who’s there?

Britney spears

Britney spears who?

Oops I did it again!

And some of the worst ones:

Knock Knock

Who’s there?

Cows go.

Cows go who?

Cows go “moo,” not “who.”

***

Knock Knock!

Who’s there?

Joe

Joe who?

Joe mama….

***

Knock Knock!

Who’s there?

Osca!

Osca who?

Osca silly question and get a silly answer.