Knock knock. Who's there? Next question.

Next question who? Next question... oh, this isn't an interview!

Knock knock. Who's there? Nana.

Nana who? Nana your business!

Knock knock. Who's there? Existential Crisis.

Existential Crisis who? I'm not sure, I've been questioning the meaning of my own existence and the nature of identity, so the concept of a 'who' is somewhat fluid to me.

Knock knock. Who's there? Ismael.

Ismael who? Ismael a rat in here, or is this just the *cheesy* aroma of my latest pun-demic?