Lettuce

Knock! Knock!

Who’s there?

Lettuce.

Lettuce who?

Lettuce in, it’s freezing out here!

Leaf

Knock! Knock!

Who’s there?

Leaf.

Leaf who?

Leaf me alone already!

Art too

Knock! Knock!

Who’s there?

Art.

Art who?

R2-D2, of course!

Well that was rich

A genie asked, “What’s your first wish?”

I said, “I wish I was rich!”

The genie then asked, “What’s your second wish, Rich?”

Spell who?

Knock! Knock!

Who’s there?

Spell.

Spell who?

W-H-O.