Knock knock. Who's there? Brew.

Brew who? Tea-rific to meet you.

Knock knock. Who's there? Flake.

Flake who? Flake out, I'm tired of waiting!

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? Amos.

Amos who? Amos *astounding* fact about puns is that Amos *clever* one is Amos *likely* to make you *a-moan*!