Zodiac is a terrorist organization with ties to A.I.M. (Advanced Idea Mechanics) through use of their technology to produce Scorpio, Taurus, Sagittarius, Virgo, Aries, Aquarius and Cancer mechs. as well as the inclusion of the Pisces Virus. Led by Minister of Defense Kuroda, its membership includes Ho Yinsen and Dr. Chika Tanaka. Zodiac has also manipulated various others into assisting their goals.