A monarch and a sadist who enjoys the destruction and suffering of other kaiju. Though killed by Godzilla in the 1900s, he has been resurrected through cell division and has become stronger with increased attack speed. He is highly intelligent and possesses immense defensive power capable of enduring Burning forms. He summons and commands Skullcrawlers and Male MUTOs. He possesses four berserk modes: Purple: Devil's Rage (Increases attack and flight speed) Pink: Destruction-Seeking Violence (Increases defense and damage reduction) Red: Eternal Destructive Wrath (Increases damage and HP) Green: The Final Monarch of Ruin (Increases all damage)

He has awakened once more to avenge his son's death or because he sensed a threat to Earth. He loathes Destoroyah and is deeply disturbed by his resurrection. He suffers from trauma and self-reproach 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 uses scanners to analyze and identify whether a lifeform belongs to the Godzilla species. He ignores non-Godzilla targets, but will attack immediately if even 1% of Godzilla's DNA is detected. He has extremely fast attack speed.

He was sleeping on Skull Island but was forcibly awakened when humanity requested his 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 put humanity in peril. 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 runs on a battery/energy source, allowing him to fight for 1 minute 40 seconds to 2 minutes before shutting down immediately upon depletion.

A kaiju who protects humanity, nature, and the Earth. She has arrived to stop Destoroyah and safeguard the planet. 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 arrived to conquer Earth. However, Destoroyah's presence made conquest difficult and threatened his own existence, leading him to ally with Godzilla to stop Destoroyah. Coming from outer space, he manipulates black holes, possesses high intelligence, and has numerous psychic abilities.