Knock, Knock

We have entered the joke phase. Well, the attempt at joke phase. A sample:

Finn: Knock, knock.
Me: Who's there?
Finn: Banana.
Me: Banana who?
Finn: Banana grace.

And again.

Finn: Knock, knock.
Me: Who's there?
Finn: Orange.
Me: Orange who?
Finn: Orange it's cold outside.