Knock, knock.
Who's there?
Harry.
Harry who?
Harry up and open this door!
Knock, knock.
Who's there?
Ice cream.
Ice Cream who?
Ice cream loudly.
Knock, knock.
Who's there?
July.
July, who?
July or do you tell the truth?
Knock, knock.
Who's there?
Liz.
Liz, who?
Lizen carefully, I will say this only once.
Knock, knock.
Who's there?
Maggot.
Maggot who?
Maggot me this new shirt today.
Knock, knock.
Who's there?
Mary.
Mary, who?
Mary Christmas everyone!
Knock, knock.
Who's there?
Sara.
Sara, who?
Sara doctor in the house?
Knock, knock.
Who's there?
Shirley.
Shirley who?
Shirley you're tired of all these 'Knock, Knock' jokes by now?
Knock, knock.
Who's there?
Doctor who
Oh I love that program!
Knock, knock.
Who's there?
Doctor who
You just said it!
Knock, knock.
Who's there?
Yah
Yah who?
Are you a cowboy or something?
Knock, knock.
Who's there?
Annabel
Annabel who?
Annabel would be a useful thing to fit on this door.