After I read an interview where was stated that the names of the most
EVA characters came from the names of war ships, my interest was caught.

After some searching, I found the info which you can read here.

Info 1

One thing that can be often found in the world of NGE-fanfiction is the fairytale that Rei and Shinji are siblings.
I always wondered how anybody could have get that idea.
Here you can find the information I gathered about scientific genetic facts.

Info 2