Knock! Knock! Who’s there? Kanga…

Knock! Knock! Who's there? Spell Spell who? W-H-O

Knock! Knock! Who's there? To. To who? It's to whom.

Knock! Knock! Who's there? Lettuce. Lettuce who? Lettuce in it's cold out here.

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

Knock! Knock! Who's there? Mike Snifferpippets. Mike Snifferpippets who? Oh come on, how many Mike Snifferpippets do you know?