Yes, we're already seen blurry magazine scans of character Sazh Katzroy's afro-headed son Dahj. Here are non-blurry screens, plus a look at "Optima Change".
Optima Change lets players assign new roles to the AI characters in their party during battle — basically, you can change their abilities. According to Famitsu.com, it is possible to swap out abilities you set beforehand as much as you like during battle.