Gigan is a kaiju from Toho's Godzilla and Zone Fighter franchises who first appeared in Godzilla vs. Gigan. Gigan is a cyborg space monster sporting a buzzsaw weapon in its frontal abdominal region and large metallic hooks for hands.
when a mysterious series of mass kaiju attacks and sightings happen across the earth, the Autobots and Decepticons get wrapped into a conflict with Godzilla as well uncovering and unravelling an old rivalry and war from time long past
