Daisuke Midori

Daisuke Kawashima (川島だいすけ) is a double-agent working for the Omega Order. He was a longtime friend of Michiru Murasaki. After Michiru was fired from the Kyoto police force, he introduced her to the Kusanagi ninja clan. However, he betrayed her on a mission in 1982, leaving her to be rescued days later by Alec Langley.

Name
"Kawashima" is a Japanese last name meaning "river island".