Mainline Pokemon games have always centered around young people setting out to learn about and grow close with Pokemon, all while becoming strong enough to conquer each region's Pokemon League. However, though each games' protagonist is silent so they can be a blank slate, it wasn't until Pokemon X and Y that an element of character customization was introduced.
Calem or Serena may be the "canonical" protagonist in Kalos (with the unchosen individual becoming its chief rival), but X and Y
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