Knock, knock. Who's there? Unicorn. Unicorn who? Unicorn in a fantasy world of jokes!

Knock, knock. Who's there? Vanilla. Vanilla who? Vanilla like to tell another knock-knock joke!

Knock, knock. Who's there? Wendy. Wendy who? Wendy day this door will open, I'll be waiting!

Knock, knock. Who's there? Xena. Xena who? Xena-tly why I'm knocking on your door!

Knock, knock. Who's there? Yuri. Yuri who? Yuri-certainly going to smile when you hear this joke!

Knock, knock. Who's there? Zebu. Zebu who? Zebu better start laughing at this joke!

Knock, knock. Who's there? To. To who? To whom it may concern!

Knock, knock. Who's there? Alex. Alex who? Alex plain later!

Knock, knock. Who’s there? Snow. Snow who? Snowbody, it’s just me!

Knock, knock. Who's there? Olive. Olive who? Olive you need to hear is another joke!

Knock, knock. Who's there? Boo. Boo who? Boo-tiful day for a joke, don't you think?

Knock, knock. Who's there? Peas. Peas who? Peas let me in, I have more jokes to tell!

Knock, knock. Who's there? Olive. Olive who? Olive sudden, I'm craving more jokes!

Knock, knock. Who's there? Police. Police who? Police stop telling so many jokes!

Knock, knock. Who's there? Atch. Atch who? Atch you glad I'm back with another joke?

Knock, knock. Who's there? Cereal. Cereal who? Cereal pleasure to meet you, have you heard this one?

Knock, knock. Who's there? Cash. Cash who? Cash me outside telling jokes, how 'bout that?

Knock, knock. Who's there? Nana. Nana who? Nana your business, just tell me if you're ready for another joke!

Knock, knock. Who's there? Dishes. Dishes who? Dishes the way I like to start telling jokes!

Knock, knock. Who's there? Canoe. Canoe who? Canoe open the door already, I'm here with another joke!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce turnip the beet, I have more jokes to share!