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

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