The Ember books have a lot of characters in them- some good, some bad, and some just plain weird. Here are the characters from the books.
These characters are the protagonists (play the greatest role in the story). Nickie and Grover are the main characters in The Prophet of Yonwood, while Lina and Doon are the main characters in the other three books.
These are charcters that appear in more than one book and/or and play a pretty big part in the story.