AbigailSweet, pretty and somewhat naive at the start of the novel, but easily swayed by the influences of others. Abigail cares a bit too much about what other people think of her and is very prone to peer pressure. She has very little personality of her own.
BlossomA chubby girl who had come from a wealthy family before being orphaned shortly before the events of the novel.
LolaA juvenile delinquent with a strong sense of right and wrong.
OliverAthletic, handsome and self-confident to the point of arrogance. He and Blossom provide the main driving force of the cruel actions called for by the machine.
PeterA boy who's described as being somewhat slow and meek. He generally obeys the most authoritative person in his vicinity, which in this situation, should be Oliver.