Knock, knock. Who's there? Doctor. Doctor who? That's right!

Knock, knock. Who's there? Noah. Noah who? No, ah, you're supposed to say 'Noah who?'!

Knock, knock. Who's there? Bacon. Bacon who? Bacon a cake for your birthday!

Knock, knock. Who's there? Reese. Reese who? Reese the doorbell and find out!

Knock, knock. Who's there? Isabel. Isabel who? Isabel broken, can you fix it?

Knock, knock. Who's there? Otto. Otto who? Otto know, I'm just the messenger!

Knock, knock. Who's there? Ken. Ken who? Ken you open the door already?

Knock, knock. Who's there? Anita. Anita who? Anita borrow your phone, mine's dead!

Knock, knock. Who's there? Otter. Otter who? Otter go to the doctor, I'm not feeling well!

Knock, knock. Who's there? Banana. Banana who? Knock, knock. Who's there? Banana. Banana who? Knock, knock. Who's there? Orange. Orange who? Aren't you glad I didn't say banana again?

Knock, knock. Who's there? Alpaca. Alpaca who? Alpaca the suitcase, you pack the bags!

Knock, knock. Who’s there? Knock, knock. Who’s there? Shut up. Shut up who? Stop interrupting!

Knock, knock. Who's there? Paul. Paul who? Paul-ways got more jokes for you!

Knock, knock. Who's there? Ray. Ray who? Ray-dy for another hilarious joke!

Knock, knock. Who's there? Max. Max who? Max-imum laughter with this joke!

Knock, knock. Who's there? Ray. Ray who? Ray-dy for more jokes ahead!

Knock, knock. Who's there? Sid. Sid who? Sid down and enjoy this joke!

Knock, knock. Who's there? Tom. Tom who? Tom-orrow another joke awaits!

Knock, knock. Who's there? Al. Al who? Al-ways got more jokes up my sleeve!

Knock, knock. Who's there? Colin. Colin who? Colin sick with laughter at these jokes!

Knock, knock. Who's there? Dwight. Dwight who? Dwight about now, you should be laughing!