Knock-Knock! Who's there? Frayed. Frayed who? Frayed no one's going to answer the door.

Knock knock who's there? Ivanna Ivanna who? Ivanna come in, dammit!

Knock-Knock! Who's there? Broken tape recorder, Broken tape recorder who? Broken tape recorder, Broken tape recorder, Broken tape recorder, Broken tape recorder, Broken tape recorder...

Knock-Knock! Who's there? Pencil. Pencil who? Pencil fall down if you don't wear a belt.

Knock-Knock! Who's there? Chugga Chugga Chooch Chugga Chugga Chooch Who? Wheeee!! A train! All aboard!

Knock knock. Who's there? No one. No one who? No one to tell you who's here!

Knock-knock? Who's there? Estelle. Estelle Who? Estelle am waiting for you to open this door!

Knock-Knock Who's there? I'm a pile up. I'm a pile up who? Yes, you are a pile of poo!

Knock-Knock. Who's There? Cargo. Cargo Who? Car Go "Beep, Beep!"

Kock-knock. Who's there? Please. Please who? It's the police! Open the door!

Knock-Knock Who's there? Apricot. Apricot who? Apricot my key, open up!

Knock-Knock. Who's There? Tank. Tank Who? You're Welcome!