One of my favourite patches on the Prophet 5 is using FM and noise to create percussion sounds.
Either modulating OSCB or the filter with a mix of OSCA an noise, like on the minimoog.
Here is a short 3 minute video where I show how to do it, for those who havent tried
https://www.youtube.com/watch?v=Q5uNIBxjICo&t=56s