Knock, knock. Who's there? Crystal. Crystal who? Crystal clear, it's joke time!

Knock, knock. Who's there? Broccoli. Broccoli who? Broccoli crowns are my favorite vegetable!

Knock, knock. Who's there? Bruno. Bruno who? Bruno happy it's joke time!

Knock, knock. Who's there? Bunny. Bunny who? Bunny joke for you!

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

Knock, knock. Who's there? Buzz. Buzz who? Buzz off, I'm trying to tell a joke!

Knock, knock. Who's there? Byron. Byron who? Byron down the house with laughter!

Knock, knock. Who's there? Caesar. Caesar who? Caesar salad for dinner, yum!

Knock, knock. Who's there? Calvin. Calvin who? Calvin for dinner, I'm starving!

Knock, knock. Who's there? Caramel. Caramel who? Caramel your enthusiasm, it's just a joke!

Knock, knock. Who's there? Carrot. Carrot who? Carrot believe I'm telling jokes all day!

Knock, knock. Who's there? Casey. Casey who? Casey you didn't recognize me, I'm here to tell jokes!

Knock, knock. Who's there? Cassie. Cassie who? Cassie role, let's continue with the jokes!

Knock, knock. Who's there? Celeste. Celeste who? Celestebrate good times, come on!

Knock, knock. Who's there? Celine. Celine who? Celine Dion concert, can we go?

Knock, knock. Who's there? Chad. Chad who? Chad few too many jokes today!

Knock, knock. Who's there? Charlene. Charlene who? Charlene for the stars as I tell jokes!

Knock, knock. Who's there? Charles. Charles who? Charles in charge of telling jokes today!

Knock, knock. Who's there? Charlotte. Charlotte who? Charlotte you're looking for, right here!

Knock, knock. Who's there? Aardvark. Aardvark who? Aardvark a million miles for one of your smiles!

Knock, knock. Who's there? Amish. Amish who? You're not a shoe!