A member of the GUIDE team. Andy is very outgoing and Ken’s best friend. Although his main task is to airlift the members by a helicopter, he goes scouting and supports other aircrafts as well. Andy often inspires his teammates and makes them feel relaxed.
Andy Walker is Ken Ogawa's best friend. He is in charge of flying the transport for the team. He is sometimes contacting Ken about drops and listens with Ken when Agent Wilson informs the team about current events happening both in Tokyo and the rest of the world. He was killed by Kanbei Ogawa, later on came back infected to fight Ken Ogawa.