Council Member Yalu was the father of Galen. Since Galen's departure he had been appointed to the Central City Council, a high honour. He was somewhat ashamed of Galen's actions and saw humans as his "enemy". He hid Galen and Virdon when "Loomis" gave him the signal that gorilla officers were approaching his home. He didn't help them to rescue Burke, unlike Ann, but when he saw Galen's bravery and the loyalty of his human friends, he changed his attitudes and by the time they left he told Galen he was proud to have a son with principles.