Knock, knock. Who's there? Howard. Howard who? Howard you like to be knocked on all day?

Knock, knock. Who's there? Justin. Justin who? Justin the neighborhood, have you seen my cat?

Knock, knock. Who's there? Honeydew. Honeydew who? Honeydew what you're doing, but can you please open the door?

Knock, knock. Who's there? Europe. Europe who? No, I'm not, you're a poo!

Knock, knock. Who's there? Chase. Chase who? Chase me around for more knock-knock jokes!

Knock, knock. Who's there? Cheddar. Cheddar who? Cheddar believe I'm back with more jokes!

Knock, knock. Who's there? Cheesecake. Cheesecake who? Cheesecake a break and tell some jokes!

Knock, knock. Who's there? Chelsea. Chelsea who? Chelsea up, it's time to tell jokes!

Knock, knock. Who's there? Cheryl. Cheryl who? Cheryl-ly love telling jokes!

Knock, knock. Who's there? Chester. Chester who? Chester sight for sore eyes, right?

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

Knock, knock. Who's there? Cindy. Cindy who? Cindy lemonade, please!

Knock, knock. Who's there? Claire. Claire who? Claire way, here come more jokes!

Knock, knock. Who's there? Clara. Clara who? Clara path for more jokes!

Knock, knock. Who's there? Clarissa. Clarissa who? Clarissa minute, I'm about to tell a joke!

Knock, knock. Who's there? Clive. Clive who? Clive me a break, time for jokes!

Knock, knock. Who's there? Colin. Colin who? Colin the police, this joke is too funny!

Knock, knock. Who's there? Cooper. Cooper who? Cooper song and let's make a joke!

Knock, knock. Who's there? Corey. Corey who? Corey-ously, another knock-knock joke!

Knock, knock. Who's there? Corinne. Corinne who? Corinne with the wind, let's tell jokes!

Knock, knock. Who's there? Courtney. Courtney who? Courtney-side for more jokes!