Books That Changed My Life--Which Characters Are So Real You Can't Believe They Aren't?

The diary scheduled for today is, ah, unfortunately not available, so once more we'll have an open forum.

http://www.dailykos.com/story/2013/04/19/1203157/-Books-That-Changed-My-Life-Which-Characters-Are-So-Real-You-Can-t-Believe-They-Aren-t