Knock, knock. Who's there? Who. Who who? Are you an owl or just confused?

Knock, knock. Who's there? Boo. Boo who? Boo-hoo, is someone crying?

Knock, knock. Who's there? Cash. Cash who? No thanks, I'm allergic to nuts!

Knock, knock. Who's there? Robin. Robin who? Robin these jokes won't get old!

Knock, knock. Who's there? Olive. Olive who? Olive the comments under these jokes!

Knock, knock. Who's there? Beetle. Beetle who? Beetle go have a birthday!

Knock, knock. Who's there? Donut. Donut who? Donut forget to smile!

Knock, knock. Who's there? Thistle. Thistle who? Thistle be the last knock-knock joke!

Knock, knock. Who's there? Wendy. Wendy who? Wendy you know, open the door!

Knock, knock. Who's there? Juno. Juno who? Juno how long I've been knocking?

Knock, knock. Who's there? Jack. Jack who? Jack be nimble, Jack be quick, Jack go get the door!

Knock, knock. Who's there? Who. Who who? Are you an owl or something?

Knock, knock. Who's there? Ben. Ben who? Ben knocking for ages!

Knock, knock. Who's there? Phil. Phil who? Fill me in on who's knocking!

Knock, knock. Who's there? Needle. Needle who? Needle little help getting through this door!

Knock, knock. Who's there? Alma. Alma who? Alma-ny jokes you have stored in your head?

Knock, knock. Who's there? Butterflies. Butterflies who? Butterflies in my stomach everytime you answer!

Knock, knock. Who's there? Harry. Harry who? Harry up and answer the door, it's cold outside!

Knock, knock. Who’s there? Jamaican. Jamaican who? Jamaican me crazy!

Knock, knock. Who's there? Avocado. Avocado who? Avocado good time if we keep telling jokes!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce in, it's drafty out here!