Interesting perspective on what makes up a character voice: http://bookgeekconfessions.tumblr.com/post/51580186526/writing-tips-85-nine-kick-ass-excercises-to-find (linked to in External Link and posted in the comments below as the first comment)
This article gives you a series of questions to answer about your character's behavior, which will help you create more nuances in their voice and distinguish them from other characters.
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A story isn't just a bunch of words slapped onto a page. It's a living, breathing manifestation of your imagination. This guide explores aspects most guides don't touch on such as memorable protagonists, world building, character psychology, and bac...