Knock knock collection 039

Knock KnockWho's there?Colin!Colin who?Colin the doctor, I feel ill!Knock KnockWho's there?Collier!Collier who?Collier big brother see if I care!Knock KnockWho's there?Cologne!Cologne who?Cologne me names won't help!Knock KnockWho's there?Coolidge!Coolidge who?Coolidge a cucumber KnockWho's there?Conga!Conga who?Conga go on meeting like this!