Voldemort: Knock, knock.
Harry Potter: Who's there?
Voldemort: You know.
Harry Potter: You know who?
Voldemort: Exactly!
Knock, knock!
Who's there?
Heaven.
Heaven who?
Heaven fun over there?
Knock knock. Who's there? Bad joke.
There once was a little girl named Sarah with no arms and legs.
*knock knock*
Who's there!
Not Sarah.
Why can't Sally swing?
Because she has no arms.
Knock knock, "Who's there?", not Sally.
Where did Sally go when the bombs dropped?
Everywhere.
Sally fell off the swing.
Sally has no arms.
Knock, knock.
Who's there?
Not Sally.
Why did the chicken cross the road?
To get to the other side.
Knock, knock.
Who's there?
The chicken.
Knock, knock.
"Who's there?"
"Ash."
"Ash who?"
"Bless you!"
