petah what does this joke mean?

I don't get it. Peter, could you help me?

Petah help, Is the joke just that OP thinks its bad?

Peter please explain whats going on here.

Petah

Petahhhh I don’t get it

What about it?

What does this young man do?

What am I missing here Petah?

I need help Petah

Peter I don’t get it

Petah, does it have something to do with Chinese zodiac signs?

Peter I'm confused