On the contrary, I have the Jewish/Roman historian Josephus on my side with regard to the existence of Moses. Living in Rome as he did he must of had access to all kinds of information about Egypt since it was a province of the Roman Empire.
("must have", I assume you mean.) Or perhaps he was just making it up. You have no evidence either way, just supposition.
And why are you so concerned about proof for Moses. Hokulele and Pax seemed to think its no big deal even if Moses was a general in the pharoahs army as the Roman/Jewish historian Josephus stated he was.
Because you keep bringing up the stories about him as if they were proof. Do you have any evidence that the Israelites were ever slaves in Egypt, apart from what is written in the bible?