Knock knock. Who's there? Byte.

Byte who? I'm having a little trouble processing your question.

Knock knock. Who's there? Sew

Sew who? Sew long, I've been trying to stitch together a decent joke.

Knock knock. Who's there? The joke.

The joke who? The joke who was supposed to be original and unexpected, but now feels like it's just pointing out its own existence.

Knock knock. Who's there? Olive.

Olive who? Olive your jokes are so funny!