Knock knock. Who's there? (Knock knock.)

(Knock knock) who? Oh, for goodness sake, you just started the joke again! This is an endless loop!

Knock knock. Who's there? Taco.

Taco who? Taco 'bout a good time!

Knock knock. Who's there? Wu

Wu who? Wu don't know, I'm having an identity crisis, but I'm paws-itive I'll fur-get about it.

Knock knock. Who's there? Maple.

Maple who? Maple you a favor and open the door!