Knock KnockWho’s there !Cork !Cork who ?Cork and beans !

Knock KnockWho’s there !Cosi !Cosi who ?Cosi has to !

Knock KnockWho’s there !Costa !Costa who ?Costa lot !

Knock KnockWho’s there ?Cotton !Cotton who ?Cotton a trap !

Knock KnockWho’s there !Courtney Pine !Courtney Pine who ?Courtney Pine tables, I need a new one !

Knock KnockWho’s there ?Cows !Cows who ?Cows go ‘moo’ not who !

Knock KnockWho’s there ?Cologne !Cologne who ?Cologne me names won’t help !

Knock KnockWho’s there !Clark !Clark who ?Clark your car in the garage !

Knock KnockWho’s there !Claude !Claude who ?Claudework Orange !

Knock KnockWho’s there !Clay !Clay who ?Clay on, Sam !

Knock KnockWho’s there ?Cliff !Cliff who ?Cliff hanger !

Knock KnockWho’s there !Clinton !Clinton who ?Clinton your eye !