Proto

プロト

Proto is Section 9's sole (prototype) bioroid member and previously served as the Tachikoma maintenance technician before joining the new recruits. During the Dejima crisis, Proto played a pivotal role in assisting Aramaki to rescue Prime Minister Yoko Kayabuki, who had been removed from office and arrested on treason charges.
Proto successfully accessed the net, communicating with Section 9's Tachikoma units. Via them, he obtained building blueprints and current information regarding Section 9's Dejima operation, along with the Prime Minister's location, prior to an attack barrier disabling him. Proto reappears in the Ghost in the Shell: S.A.C. Solid State Society movie, where he remains close to Aramaki, handling secretarial duties.