Knock, knock. Who’s there? Atch. Atch who? I didn’t know you were a ventriloquist!

Knock, knock. Who’s there? Mikey. Mikey who? Mikey doesn’t fit in the keyhole!

Knock, knock. Who’s there? Butter. Butter who? Butter let me in or I’ll freeze out here!

Knock, knock. Who's there? Harry. Harry who? Harry up and tell me another joke!

Knock, knock. Who's there? Boo. Boo who? Why are you crying, it's just a knock-knock joke!

Knock, knock. Who's there? Olive. Olive who? Olive my jokes are funny, right?

Knock, knock. Who's there? Tank. Tank who? You're welcome, tank you very much!

Knock, knock. Who's there? Wood. Wood who? Wood you believe another knock-knock joke?

Knock, knock. Who’s there? Cow says. Cow says who? Cow says moo, not who!

Knock, knock. Who’s there? Olive. Olive who? Olive you and I love you!

Knock, knock. Who’s there? Butter. Butter who? Butter let me in, it’s cold out here!

Knock, knock. Who’s there? Peas. Peas who? Peas open the door, it’s chilly outside!

Knock, knock. Who’s there? Harry. Harry who? Harry up, it’s cold out here!

Knock, knock. Who’s there? Cow says. Cow says who? Cow didn’t say anything, I did!

Knock, knock. Who’s there? Olive. Olive who? Olive you do is laugh at my jokes!

Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in before you freeze to death!

Knock, knock. Who's there? Boo berry. Boo berry who? Boo berry happy to see you!

Knock, knock. Who's there? Art. Art who? Art you glad you opened the door?

Knock, knock. Who's there? Pepper. Pepper who? Pepper here with another joke!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce be friends!

Knock, knock. Who's there? Booze. Booze who? Booze the door, it's cold out here!