"Grego" is Novinha's final child, he was only six years old when Ender arrives. As a child he showed a disturbing capacity for destruction, modeled on his father's habit of domestic violence, a temper which does not subside during later years. After Quim's death, he attempts to whip a mob into a frenzy to attack the responsible forest, only to have them jump on the nearest one to hand—Human and Rooter's forest—after being chewed out by Valentine, Grego tries to end the massacre with as little bloodshed as possible, eventually placing himself between the surviving piggies and his own riot. He later collaborates with Olhado on faster-than-light travel.
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