reluctant to use the name and prefers to be called Trey; his true name is Trahern Cromwell Torrance. Matthias The protagonist of Among the Enemy. Matthias was raised by a homeless but deeply religious man named Samuel Jones along with two other third children, Percy and Alia. Samuel taught the children necessary skills to survive, including creating false ID cards, and instilled within Matthias moral values, such as not learning to hate others. As the central figure of Among the Enemy, Matthias and his friends are arrested by the Population Police; while they escape, Percy and Alia are injured and eventually separated from Matthias, who ends up being recruited into the Population Police. There, he must overcome his grief and helps Nina and her friends disrupt and destroy the Population Police's plans. Enemy characters Jason Barstow A student at Hendricks School for Boys, Jason is actually a spy planted by the Population Police as a supposed third child using the alias "Scott Renault" at Hendricks to expose potential third children, and, using Nina's Idi (who he said was "beautiful") love for him, children at its sister school, Harlow School for Girls. After he is foiled in Among the Impostors, he becomes a marginal character working as a member of the Population Police. He was thought to have been killed but comes back, implying he had sufficient clout in the Population Police not be punished for his mistake in Among the Impostors. Aldous Krakenour The commander of the Population Police, who later becomes the president after the suspicious death of his ineffectual predecessor. He appears in Among the Brave and Among the Free. Oscar Wydell Initially appearing as Lee Grant's brother's bodyguard in Among the Barons, Luke finds that Oscar's loyalties and intentions are always ambiguous and that he cannot be trusted. He made the real Lee Grant trust him when he was alive. While Oscar makes it explicit that he is rebelling against the government, he appears to be an opportunist and seeks power for himself by first destroying the Barons. After Mr. and Mrs. Grant are killed, Oscar disappears. He reappears in an unsuccessful plot to take advantage of the fall of the Population Police's regime in Among the Free, but is foiled by Luke's testimony as a third child before the general public. Supporting/Minor characters Jen Talbot The daughter of an affluent Baron family and the third child