When I email people with espincus, they are getting my real name. How do I fix this?

I do not see where to change this in my profile. I am unable to edit where it says "my real name", and I don't see where else it is listed.

When I email people with espincus, they are getting my real name. How do I fix this?
Change your user name..and check the appropriate box
Reply:well umm...try making a new emial adress