|This article is about a/an ranger in Doubutsu Sentai Zyuohger.|
Cetus lived in an ancient time when the Zyumans lived on Earth. When he was a young man, his people suddenly faced a great threat as they came under the attack of an unknown Ferocious Monster. While his kind ran for their lives, he was the only one who stood up to the monster and tried to fight it off, but the monster's strength overwhelmed him. Soundly defeated, Cetus was at the monster's mercy. However, wishing to protect not only his life, but his people's and the planet's, the planet responded to him and created both the Whale Change Gun and Cube Whale. Not only did it grant him the power to fight the monster, but it also made him the first Zyuohger, Zyuoh Whale. With his new powers and companion, they froze the monster and hurled it off into space. Having defeated the monster, Cetus was named the Great King of the Zyumans while the embodiment of the Earth's power which he held was named the Great King's Credential. Following this, the Zyumans would create a new world named Zyuland where they could reside in peace, with Cetus using the Whale Change Gun to create a Link Cube to the old world, serving as the core of the gateway while six additional King's Credentials were created to serve as keys. Cetus left a message recorded in Whale Change Gun, detailing this history, in case his descendants found it.
Mysteriously, the origin of Zyuland would not be part of recorded history in the following generation of Zyumans leading to the modern generations being unaware of Cetus and the Great King's Credential. The legend did evidently circulate, however, in space: the space pirate, Captain Marvelous/Gokai Red, was aware of a treasure residing within the Link Cube, while Bangray, the "Megabeast Hunter", heard of a "Legendary Megabeast", that would be found on Earth. The truth was eventually discovered by the modern Zyuohgers, which included four Zyumans who had served as guardians to the Link Cube, once Captain Marvelous had came to Earth and joined them uncovering the Link Cube, recovering the Great King's Credential which projected Cetus' message to future generations. Having already arrived on Earth and made an enemy of the Zyuohgers, Bangray caught up with them and made the Whale Change Gun his target, realizing that it would lead him to the Legendary Megabeast, Cube Whale. During the resulting confrontation, however, the Whale Change Gun was taken by Gokai Red, who was pursued by Yamato Kazakiri/Zyuoh Eagle, the Zyuohgers' first human member.
Witnessing the Zyuohgers' heroic resolve as they asserted their right to the Great King's Credential, noting it as the treasure which connected everything to them being here with the power to protect the Earth, Captain Marvelous and the Gokaigers offered the Whale Change Gun to Yamato and his team who accepted the responsibility of facing Bangray and carrying on the wish for peace held by Cetus and all who have protected the planet. Held by Yamato, the Whale Change Gun hosting Cetus' spirit resonated with the human's resolve and so granted him the Zyuman Power of Cetus which was left behind within the Whale Change Gun, granting Yamato the ability to transform into Zyuoh Whale.
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Powers and Abilities
- Zyuman Power (ジューマンパワー Jūman Pawā?)
- The natural energy of individual Zyumen, they can bestow this energy upon other lifeforms to heal them via a King's Credential, granting the potential to unlock Zyuman powers as a side-effect in humans. However, this would come at the cost of the Zyuman's life force, thus shortening their lifespan. The process is also evidently irreversible. Cetus' Zyuman Power was left behind in the Whale Change Gun, and ultimately infused itself into Yamato Kazakiri when his resolve resonated with the Whale Change Gun, allowing him to become the second Zyuoh Whale.
- Zyuoh Final Deep Lock (ジュウオウファイナル ディープロック Jūō Fainaru Dīpu Rokku?): A blast is fired from the Whale Change Gun, capable of freezing in place even the most powerful opponent.
- He is named after a constellation depicting a whale.
- Cetus is similar to The Grand Shogun from Power Rangers Super Samurai, in which he is an ancient warrior who has a fighting form, later gained by a modern day hero as a power-up.
- Doubutsu Sentai Zyuohger