Knock! Knock! Who’s there? Me…

Knock! Knock! Who's there? Olive. Olive who? Olive you and I don't care who knows it!

Knock! Knock! Who's there? Oink oink. Oink oink who? Make up your mind—are you a pig, or an owl?!

Knock! Knock! Who's there? Hanna. Hanna who? ...Hanna partridge in a pear tree!

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

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