Publication Information
- Ultra Galaxy : Ultra Galaxy Mega Monster Battle
- Japanese : ウルトラギャラクシー大怪獣バトル
- Version : Ultra Galaxy Mega Monster Battle
- Entry : 22nd
- Label : Tv Series
- Affiliation : Zap Spacy
- Appeareance : Ultra Galaxy Mega Monster Battle
500,000 years after the extinction of monsters, humanity had finally advanced to the outer space. The crews of Space Pendragon were tasked to investigate Planet Boris after communications on that planet was mysteriously vanished. Arriving on the planet, the crew were astonished to find it inhabited by monsters, with every nearby city perished. While forced to wait for reinforcements, the crew must solved the mystery of this planet's background as a monster tamer named Rei, whose past remained mysterious, joined ZAP Spacy in order to learn his past.
ZAP Spacy
- Main Article : Zap Spacy
- Captain Hiroshi Hyuga : The captain of the Space Pendragon. He is hot-blooded man who is excellent in martial arts and has overcome many hardships all over the universe.
- Jun Haruna : The subcaptain of the Space Pendragon. She is a strict ace pilot and is Hyuga's right-hand man. Although initially skeptical of Rei, she was rescued from Neronga by him and reconciled with him.
- Masahiko Kumano : The engineer of the Space Pendragon. He is an expert in mechanics, which also allowed him to identify King Joe Black, earning the title Magician by Hyuga.
- Koichi Oki : The rookie crew member of the Space Pendragon. He is a monster maniac who was majoring in monsterology at university, and was recruited into the team for his wide knowledge of monsters.
- Rei / Reimon / Earth Reionyx : The latest member and was once a baby that appeared during Bullton's attack on Planet Boris. He first appeared after being trapped inside the carcass of a Peguila and in amnesiac state.
- Hiroki Haruna : The leader of Vincent Island which was the officer of the resources transportation base in Belargo City, and Jun's elder brother. He has once served as the subcaptain of the Space Pendragon under Hyuga.
- Ato : The subleader of Vincent Island who was a scientist of Belargo city.
- Main Article : Reionyx
- Rei / Reimon / Earth Reionyx : The latest member and was once a baby that appeared during Bullton's attack on Planet Boris.
- Kate : In Planet Boris, she appeared to have always interfering Rei and the ZAP Spacy by summoning her monsters. During the battle, she used multiple trickery such as imposing herself as bio-plant researcher Maki Azusa and framing Rei as the destroyer of Planet Boris' civilization.
Space Pendragon
- The space transport ship of the ZAP SPACY. The lower part is equipped with the variable cargo. Originally, although it is not a spacecraft for a battle, it is armed with the Wyvern Missile, the Anti-Asteroid Cannon, and the Hyper Omega Cannon.
- Dragon Speeder Alpha : It is Small fighter jet separated from the nose. Dragon Speeder Beta : It is small fighter jet separated from the top part.
- Red body of the same model as the Space Pendragon.