Genegarg's name comes from the ancient Greek word "γενειον" (Geneion), which translates to "jaws", which ties into Genegarg's concept of being the "Jaws from Space".
According to an interview with Kiyotaka Taguchi from Ultraman Official Archive magazine and Tsuburaya Galaxy post, the Genegarg suit was made by modifying the Magatano-Orochi suit. The remodeling was made due to a huge portion of the budget had already used for Sevenger's suit. In addition, Genegarg also carried over Magatano-Orochi's mouth munching mechanism.
Genegarg was one of the many monsters affected by the Devil Splinters and turned berserk. Genegarg was possessed by Celebro, who used it to attack the Land of Light and steal several Ultra Medals and the items needed to use them, as well as devouring a Bullton. The monster made its way to Earth where it was pursued by Ultraman Z and Ultraman Zero. During the battle, it released Bullton, who sent Zero to an alternate dimension.
When it crash-landed on Earth, it encountered Sevenger, who joined in fighting the beast with Ultraman Z. At first, it defeated the both of them, but Z returned as Alpha Edge after bonding with his new host, Haruki Natsukawa, who was killed inside Sevenger. Z managed to defeat Genegarg, scattering the remaining Ultra Medals elsewhere.
During the aftermath when Genegarg made the collision course with Earth, it apparently woke up several Kaiju that hibernated deep underground for some period of time.
- Suit designer: Kengo Kusunoki
- When Genegarg's temperature rises, it utters a slowed down Mothra cry.
- Height: 67 m
- Weight: 60,000 t
- Origin: Space
- Powers and Weapons
- Geneparasite Bomb (ゲネパラサイトボム Geneparasaito Bomu): Genegarg can fire red missiles from the indents on its body. Its temperature raises when performing this attack.
- Genebuster (ゲネバスター Genebasutā): Genegarg can fire a purple beam of energy from its mouth.
- Genevomit (ゲネヴォミット Genevomitto): Like real sharks, Genegarg can regurgitate its stomach contents. These contents include an asteroid and a Bullton that trapped Ultraman Zero in another dimension.
- Flight: Thanks to the propulsion organ on its back, Genegarg can fly in both atmospheric and space conditions.
- Nasal Horn: Its head has a bladed horn, which it can use to attack with.
- Durability: Genegarg was able to withstand several light attacks when it invaded the Land of Light. However, Z was able to destroy it with his Zestium Beam.
Ultra Monster Series
- 『ウルトラマン公式アーカイブ ゼロVSベリアル10周年公式読本』実業之日本社、2020年10月30日 ISBN 978-4-408-41567-3 pages 92-96