Who's there?
Cook.
Cook
who?
Hey! Who are you calling cuckoo?
Who's there?
Doctor.
Doctor
who?
You've seen that TV show too?
Who's there?
Diploma.
Diploma
who?
Diploma is here to fix the sink!
Who's there?
Police
Police
who?
Police, can I stop telling knock knock jokes!
Who's there?
Nun.
Nun
who?
Nun of your business!
Who's there?
Usher.
Usher
who?
Usher wish you would let me in!
Who's there?
Police.
Police
who?
Police hurry, I'm freezing out here!
Who's there?
Doorbell Repairman.
Doorbell Repairman
who?
Ding Dong! My work is done here.
Who's there?
Impatient Pirate.
Impatient Pirate
wh-
ARRRRRRRR!
Who's there?
Major.
Major
who?
Major laugh.

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