I was actually just thinking about that the other day. As far as I can tell, people tend to fall in to one of two camps:
Make the character look as much like (a potentially idealized version of) yourself as possible
Make the character look nothing like yourself
I always make my characters completely different from me, so they often (maybe 60-70% of the time) end up being women. My friend always makes them look as close to himself as possible.
I think it comes down to different styles of roleplay. I’m myself every day. Why would I want to be myself but Cyberpunk? My friend, on the other hand, wants to imagine himself as being in that world.
And then you have the third camp of people who make their characters horny or humorous, which can be fun to do occasionally but I cannot imagine doing regularly.
WadeTheWizard