|This article lacks an official name. "Unidentified Aquatic Kaiju" is simply how it is referred to as, due to the popularity in the fandom or how it's mentioned in-story.|
An unidentified aquatic Kaiju appeared in a flashback in the second issue of the Ultraman Great comic.
Nothing is known about Great's fight against the kaiju, although it is presumed he defeated it, as he remembered it as one of the threats he defeated during his first time on earth.
- Height: Unknown
- Weight: Unknown
- Powers and Weapons
- Adept Swimmer: As an aquatic Kaiju, it can be assumed this Kaiju is an adept swimmer. Other than that, no powers or abilities were shown.
|Ultraman: Towards the Future Kaiju|
|Ultraman: Towards the Future||Gudis | Bogun | Gigasaurus | Gerukadon | Degunja | Barrangas | Super Gudis | Gazebo | Majaba | Bios | Veronica | Ryugulo | UF-0 | Kodalar | Kilazee|
|Comic (Ultracomics)||Giant Shark | Unidentified Aquatic Kaiju|
|Comic (Nemesis)||Space Oni | Evil Ultraman Great|