Fouron

Buried deep within the SPT-LZ-00X Layzner, this hidden, recessive program could override Rei. Although it possessed the persona of an adult male, it retained the amorality of its predecessor. Ken Asuka programmed it to convey information about Grados to the Earthlings. Fouron would only emerge when the Layzner was critically damaged or when Eiji faced serious danger of dying. Its trademark purple eyes signaled its complete control over the SPT, including the V-MAX system.