Knock Knock. Who's there? Anita. Anita who? Anita really warm place to sleep tonight, it's cold out here.

Knock knock. Who's there? interrupting cow interrupting co--- MOO

Knock knock. Who's there? Someone too short to ring the doorbell.

Knock, knock. Who's there? Dwayne Dwayne who? Dwayne the bathtub mommy, I'm dwowning.

Knock-knock Who's there? Boo! Boo who? Don't cry it's just a joke

Knock-knock! Who's there? Chips. Chips who? Chips Ahoy!

Knock Knock Who's there? Madam Madam who? Madam foot's caught in the door!

Knock Knock Who's there? July July who? July like Bill Clinton

Knock Knock! Who's there? Little boy blue. Little Boy Blue who? Micheal Jackson!!!!!

Knock-knock Who's there? Joe Joe who? Jo mama

Knock-knock Whose there? Says Says who? Says me

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 there? Orange. Orange who? Orange you glad I didn't say banana!