A demon and entity of pure pleasure who loves destruction and the suffering of other Kaiju. Though killed by Godzilla in the 1900s, it has been resurrected through cell division, becoming stronger and faster. It is highly intelligent and possesses immense defensive power capable of enduring Burning mode. It summons and commands Skullcrawlers and Male MUTOs. It has four Berserk modes: Purple: Demon'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 Lord of Ruin (Increases all damage)

He has awakened once more to avenge his son's death or because he sensed a threat to the Earth. He loathes Destoroyah and is disgusted by its 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. It scans any living creature it encounters to determine if it belongs to Godzilla's species. While it ignores non-Godzilla lifeforms, it attacks immediately if even 1% of Godzilla's DNA is detected. It possesses extremely high attack speed.

He was sleeping on Skull Island until he was forcibly awakened by humanity's plea for 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, it formed a temporary alliance with him when Destoroyah threatened human existence. Its attack speed is exceptionally fast.

A robotic Godzilla built to intercept or destroy Mecha Gigan. Its damage, speed, and defense are significantly higher than the previous Mechagodzilla. It runs 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 and preserve the planet. Even if she dies, she can be resurrected after 5 years. She can heal allies and provides Godzilla with numerous powerful buffs.

An extraterrestrial Godzilla who originally arrived to conquer Earth. However, finding his conquest hindered and his own life threatened by Destoroyah, he allied with Godzilla to stop the demon. Coming from outer space, he can manipulate black holes and possesses high intelligence and various psychic powers.