Knock knock. Who's there? Wu

Wu who? Wu don't know, I'm having an identity crisis!

Knock knock. Who's there? Ivan.

Ivan who? Ivan telling you to open this door for ages, my knuckles are practically knocking themselves!

Knock knock. Who's there? Wheat.

Wheat who? Wheat you waiting for, let me in, it's a-maize-ing!

Knock knock. Who's there? Peas.

Peas who? Peas-fully waiting for you to open the door!