Knock Knock. Whos there? Deaf person. Deaf person who? Sorry, can't hear you.

Knock, knock! Who's there? Delores. Delores who? Delores my shepherd...

Knock Knock Who's there? Dennis What is Den? My name is Dennis What is Den? Den is like a mini barnyard or a mini house Oh!Anyways who are you? I am Dennis!! I forgot what den is again. ARGH!

The doorbell rings. The woman goes to the door and shortly comes back startled and turns to her husband, seeking help: "Dieter! There's a man standing outside who only asks 'Tatü tata'" (Tatü tata is onomatopoeia for the sound a police car siren makes). Dieter goes to the door and comes back laughing. "It's my coworker from Saxony, asking "is do Dieta da?" (Ist der Dieter da?, "Is Dieter there?")

Knock-Knock. Who's there? Avon Lady, your door bell is broken.

Knock-knock. Who's there? Dishes. Dishes who? Dishes me, who's you? (This is me, who's you.)

Knock-Knock. Who's there? Sara. Sara who? Sara doctor in the house?!

Knock Knock! Who's There? Dot. Dot who? Dots for me to know, and you to find out.

Knock knock. Who's there? Doughnut. Doughnut who? I doughnut want to know if you're sick!

knock-knock who's there? duck duck who? duck I just threw a frisby at you!!