What does Bastian name the Childlike Empress?

Search: neverending story name of empress

Why: Rachel is singing that song:

Look at what you see.
In her face, the mirror of your dreams.
Make believe I'm everywhere, hidden in the lines.
Written on the pages is the answer to a neverending story.

Answer: Moonchild! It was his mother's name. Damn hippies.

Source: Movie Mistakes

The More You Know: I read that book in 6th grade when Russ and Harry got me suspended for having a Swiss Army knife at school and I had to sit at the Board of Education all day to get it cleared. In German, the names are Die Kindliche Kaiserin and Mondenkind.