Knock! Knock! Who’s there? Cereal…

Knock! Knock! Who's there? Turnip Turnip who? Turnip the volume, I love this song!

Knock! Knock! Who's there? Scold. Scold who? Scold outside, let me in!

Knock! Knock! Who’s there? Nun. Nun who? Nun of your business!

Knock! Knock! Who's there? Me. Me who? Having an identity crisis, are you?

Knock! Knock! Who's there? Ivor. Ivor who? Ivor you let me in or I'll climb through the window.