Isabell

Knock Knock
Who's there?
Isabell.
Isabell who?
Isabell a ding-dong.

Sherlock

Knock Knock!
Who’s there?
Sherlock.
Sherlock who?
Sherlock your door! Someone could break in…

Yoda

Knock, Knock

Who's there?

Yoda, he can't reach the doorbell.

Nobel

Knock, Knock.
Who's there?
Nobel.
Nobel who?
No bell, that's why I knocked!

Doughnut

Knock Knock!
Who’s there?
Doughnut!
Doughnut who?
Doughnut worry it is just a joke!

Little old lady

Knock knock!
Who's there?
Little old lady?
Little old lady who?
Wow! I didn't know you could yodel!

Al

Knock, Knock!
Who's there?
Al!
Al who?
Al give you a kiss if you open this door!

Wendy

Knock knock!
Who's there?
Wendy.
Wendy who?
Wendy wind blows de cradle will rock.

Hawaii

Knock, Knock!
Who's there?
Hawaii.
Hawaii who?
I'm fine. Hawaii you?

Justin

Knock, Knock!
Who's there?
Justin.
Justin who?
Justin case you forgot me out here.

Dozen

Knock, Knock!
Who's there?
Dozen.
Dozen who?
Dozen anyone want to let me in?

Ketchchup

Knock knock.
Who's there?
Ketchchup
Ketchchup who?
Kethchup to me and I will tell you.

Alpaca

Knock, Knock!
Who's there?
Alpaca.
Alpaca who?
Alpaca the trunk, you pack the suitcase.

Anna

Knock, knock.
Who's there?
Anna.
Anna, who?
Anna nother Easter Bunny!

Owls

Knock knock
Who's there?
Owls
Owls who?
That's right, owls who!