A monarch who takes pleasure in destruction and the suffering of other Kaiju. Though killed by Godzilla in the 1900s, he has been resurrected through cell division. He is now stronger, faster, and highly intelligent. Possessing immense defensive power that can withstand Burning Godzilla, he summons and commands Skullcrawlers and Male MUTOs. He has four Berserk modes: Purple: Devil's Wrath (Increases attack and flight speed) Pink: Destruction-Seeking Violence (Increases defense and damage reduction) Red: Eternal Destructive Rage (Increases damage and HP) Green: Final Monarch of Ruin (Increases all damage)

Awakened either to avenge his son's death or because he sensed a threat to Earth. He loathes Destoroyah and is disgusted by his resurrection. He suffers from trauma and self-blame for failing to protect his son, whom he misses dearly. He possesses high intelligence. Blue: Supercharge (Increases defense and HP) Orange: Burning (Increases damage by 83%)

Created by Mecha Agents at a lunar base to eliminate Godzilla. He scans any living creature to determine if it belongs to the Godzilla species. He ignores non-Godzilla lifeforms, but will attack instantly if even 1% of Godzilla's DNA is detected. He has extremely high attack speed.

Forcibly awakened from his slumber on Skull Island by humans seeking help. He hates Destoroyah. As a primate Kaiju, he possesses incredible speed and very high intelligence.

A robotic Godzilla built to protect humanity. Originally designed to kill Godzilla, he formed a temporary alliance with him when Destoroyah threatened human existence. He has incredibly fast attack speed.

A robotic Godzilla built to intercept or destroy Mecha Gigan. Compared to the previous Mechagodzilla, his damage, speed, and defense are significantly higher. He operates on a battery that lasts between 1 minute 40 seconds and 2 minutes, shutting down immediately once depleted.

A Kaiju who protects humanity, nature, and the Earth. She has arrived to stop Destoroyah. Even if killed, she can be resurrected after 5 years. She can heal allies and provides massive buffs to Godzilla.

An extraterrestrial Godzilla who originally came to conquer Earth. However, Destoroyah's presence made conquest difficult and threatened his own safety, leading him to ally with Godzilla to stop Destoroyah. Coming from outer space, he manipulates black holes and possesses high intelligence and various psychic powers.