Knock! Knock! Who’s there? Boo…

Knock! Knock! Who's there? Yule log. Yule log who? Yule log the door after you let me in, won't you?

Knock! Knock! Who's there? Yah. Yah who? No thanks, I use Bing or Google.

Knock! Knock! Who's there? Amanda. Amanda who? Amanda fix your sink!

Knock! Knock! Who's there? Teresa. Teresa who? Teresa are green!

Knock! Knock! Who's there? Robin. Robin who? Robin you, now hand over the cash!