· Godzilla: Godzilla is the most powerful of Earth Defender's. Godzilla lives beneath the ocean waves, slumbering until his is called upon to face some fearsome threat. Although he has often defended the Earth from aliens, mutants, and other external threats, Godzilla has never included "humans" in the list of things he deliberately protects. To the contrary, it is often human folly that arouses Godzilla's ire. Because of this fact, the Global Defense Force considers Godzilla to be an extremely dangerous potential adversary. Godzilla uses his atomic fire to destroy most threatsfrom a distance, bus has proven to be a fearsome hand-to-hand combatant, especially when he can bring his powerful tail into play. Godzill's most mysterious ability may be his uncanny sixth sense, which always gives him tim to travel to exactly where he needs to be.
· Gigan: Gigan is the Vanguard of the Alien invaders. He is the finest fighting monster the Vortaak have at their command. Gigan is a cyborg infused with Vortaak technology designed to augment his powerful natural combat abilities. This latest upgrade makes him fast, stronger, and more ferocious than ever. Gigan projects powerful Alien Energy from his single eye to engage enemies at long range, though he is clearly designed with close combat in mind. In addition to his quick footwork and lightning-fast edged attacks, Gigan has the ability to teleport short distanced to confuse and outflank his opponents.
Megalon: Although Megalon is a native of the Earth, he has no special love for human beings. He has once again aligned himself with the alien invaders, in hopes of eliminating the human population once and for all. Megalon is a very well-rounded combatant, with decent melee, grappling, and ranged capabilities. He has a special affinity for electricity, allowing him to emply lighning and EMP attacks without danger to himself. Megalon's hands are high-speed drills, which allow him to burrow underground or simply gore his opponents in hand-to-hand combat.
Kiryu: Kiryu is an anti-monster cyborg generated by the Golbal Defence Force to protect human cities from monster threats. Kiryu is genetically identical to Godzilla, but jas been augmented with armour plating, enhanced reflexes, and limited flight capabilities. These enhancements have eliminated his natural ability to create atomic fire, so he has been outfitted with homing rocketsm an electrical cannon, and the fearsome Absolute Zero cannon - which can immobilize any monster in a single hit. Kiryu is the GDF's most successful defender yet, and is their first and best option for defending humanity.