Knock Knock
Who's there?
Cronkite!
Cronkite who?
Cronkite evidence!

Knock Knock
Who's there?
Cugat!
Cugat who?
Cugat to love my jokes!

Knock Knock
Who's there?
Curry!
Curry who?
Curry me back home will you!

Knock Knock
Who's there?
Custer!
Custer who?
Custer a penny to find out!

Knock Knock
Who's there?
Cynthia!
Cynthia who?
Cynthia you been away I missed you!