Ishikawa (イシカワ) is a secondary character in the Ghost In The Shell series.
An experienced hacker, Ishikawa is Public Security Section 9's technological specialist. He served in the military with Kusanagi Motoko and Batou (Gits), and appears to be ranked just below them as third-in-command of their unit.
He is an older man of average height, with graying hair and a full beard.