Apologies if there is already a thread on this topic; I did look but couldn't see anything that answered my question. Which is...
How would one go about writing or contributing material for another person's stand up act?
I know that stand ups need to develop their own identity, but I also think I'm correct that many well-established stand ups have one or two people that they collaborate with. So is there a particular stage at which this becomes acceptable?
I'm fascinated by the process of creating and maintaining a comedic on-stage persona but have absolutely no desire to be looked at myself!