Knock, knock. Who's there? Olive. Olive who? Olive you and I'm here to tell you a joke!

Knock, knock. Who's there? Anita. Anita who? Anita round of applause for that joke!

Knock, knock. Who's there? Liza. Liza who? Liza good time to tell another joke!

Knock, knock. Who's there? Habit. Habit who? Habit of telling jokes all night!

Knock, knock. Who's there? Henrietta. Henrietta who? Henrietta jokes do you know?

Knock, knock. Who's there? Islands. Islands who? Islands always make me laugh!

Knock, knock. Who's there? Owen. Owen who? Owen the door for me, please!

Knock, knock. Who's there? Fanny. Fanny who? Fanny stories to tell you!

Knock, knock. Who's there? Cows. Cows who? Cowst you open the door?

Knock, knock. Who's there? Booze. Booze who? Booze there, open up!

Knock, knock. Who's there? Felix. Felix who? Felix my drink, I'm going for a walk!

Knock, knock. Who's there? Wendy. Wendy who? Wendy bell rings, answer it!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce go to the party!

Knock, knock. Who's there? Tanker. Tanker who? Tanker the dog out for a walk!

Knock, knock. Who's there? Cargo. Cargo who? No, go home, you're too drunk!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce get this conversation going!

Knock, knock. Who's there? Cow says. Cow says who? Cow says moooooo!

Knock, knock. Who's there? Knock-knock jokes. Knock-knock jokes who? Knock-knock. Who's there?

Knock, knock. Who's there? Everest. Everest who? Everestimated how funny knock-knock jokes are!

Knock, knock. Who's there? Henrietta. Henrietta who? Henrietta little bird told me!

Knock, knock. Who's there? Twit. Twit who? Seriously, you have to ask 'twit who'?