Knock, knock.
Who’s there?
Toby.
Toby Who?
Toby or not to be!
Knock, knock.
Who’s there?
Cows go.
Cows go who?
No silly, cows go MOOO!!!
Knock, knock.
Who’s there?
Little old lady.
Little old lady who?
I didn’t know that you could yodel!
Knock, knock.
Who’s there?
Phyllis.
Phyllis who?
Phyllis up a cup of water!
Knock, knock.
Who’s there?
I don’t know.
I don’t know who?
I don’t know that’s why I knocked!
Knock, knock.
Who’s there?
Repeat.
Repeat who?
Who Who Who!