Yusuke Onodera

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 is a young man who transforms into .
He is the World of Kuuga counterpart of Yusuke Godai. 
==History==
One day, Yusuke Onodera discovered the Arcle in a mountain and encounters a man named Narutaki, who warns him of the devil "Decade". He uses the Arcle to become Kamen Rider Kuuga and fight against the Gurongi. Kuuga is an ally to the police and is referred as "Unidentitied Life Form #4".
===Kamen Rider Decade===
====World of Kuuga====
After defeating Gurongi Me·Garido·Gi and La·Doldo·Gu, Yusuke answers Ai's call about another Gurongi being spotted. After witnessing Decade defeat another Gurongi Ai and Yusuke meet Tsukasa, who offers them his help as a policeman. Although Yusuke seems to be annoyed by this, Tsukasa demonstrates his intellect and baits out two Gurongi. Yusuke recognizes Tsukasa transforming into Decade, the man who will defeat all the riders, and attacks him, but their battle is interrupted by KickHopper and PunchHopper appearing due to a dimensional rift.
After the battle, Tsukasa goes off to a fight a revived N·Gamio·Zeda who is terrorizing the city by converting humans into Gurongi using his miasma. Yusuke saves Ai from the miasma but is afraid to fight because she is dying. Her words are able to convince him otherwise, and Yusuke, along with Tsukasa, defeats Gamio. However, upon his return, Yusuke finds that Ai has died. Yusuke promises to go on fighting, in order to protect everyone else's smile.
====Traveling Through The Nine Worlds====
Sometime after visiting Ai's tombstone to pay his respects, Yusuke meets Kiva-La who brings him to her homeworld. He is brought to World of Kiva and arrives in Castle Doran. Yusuke meets the Arms Monsters and becomes a guard in Castle Doran that protects the Crown Prince of the Fangires, Wataru. He reunites with Tsukasa after he and Wataru fought each other and explained to him the rules of the world. Yusuke helps Wataru to become a king to create peace between humans and Fangires, also helping him overcome his doubts. After Wataru was convinced to become Fangire King, Yusuke decides to follow Tsukasa and Natsumi Hikari by traveling into the Rider Worlds with them.
In the World of Ryuki, Yusuke finds out that Natsumi has been arrested for being accussed of murder. Tsukasa defends the framed Natsumi in a murder case and solves it with the aid of Shinji Tatsumi. The true villain, Kamata is revealed to have been an Undead all along and is taken by Narutaki to the World of Blade after his defeat. Due to Tsukasa and Shinji going back in time to expose Kamata as the true culprit, Yusuke was not aware that their mission in that world is over due to the time reset.
Arriving in the World of Blade, Yusuke would learn that the Riders are employed under the BOARD Corporation. WHile he elects to help BOARD to fight the Undead, he was rejected by the chairman, Hajime Shijyo, mainly because he needs to pay them to help them.
After crossing through the World of Faiz, Yusuke seemingly returns back to his homeworld as he sees the Gurongi exist in the new world that Hikari Studio had landed in. He meets with Ai Yashio's counterpart of that world, Tohko Yashiro, and later learns from Daiki Kaito that this world is the World of Agito. Yusuke and Daiki were training to become the next G3-X System user. Yusuke aquired the position after Daiki abandoned the system to aquire the G4 Chip, later destroyed by Tohko. As Kamen Rider G3-X, Yusuke fights alongside Decade and Shoichi Ashikawa, who is revealed to be Kamen Rider Agito and Tohko's beloved, against the Buffalo Lord Taurus Ballista. Soon after, Yusuke gave Toko his thanks as he said goodbye to her as he departs to the next world.
Upon arriving in the World of Den-O, Yusuke becomes Den-O under the possession of an Momotaros, before forcing him into Yusuke's body. Tsukasa finds Momotaros and helps him regain his physical form, allowing him to be seperated from Yusuke. After he transforms into Kuuga and mistakenly thinking Momotaros as an enemy, they work together to defeat the Alligator Imagin.
After crossing through the World of Kabuto, the Hikari Studio crew arrive in the final world, the World of Hibiki. Yusuke as Kuuga attempts to battle the Makamou, but is nearly put into harms way until Hibiki assumes his Oni form to destroy the Tengu before he suddenly transforms into the monstrous Gyuki. After Tsukasa finished his mission in the World of Hibiki, they seemingly completed their journey as they return to Natsumi's world.
====Going For The New Worlds====
With the journey over, Yusuke and the others of the Hikari Studio return to what appears to be Natsumi's world to find it back to normal as if it was not plagued by the monsters. Despite being in a perfect world for Tsukasa, Yusuke would learn that the civillians are actually Raydragoons, much to his shock. After Decade Complete Form defeated the Dark Riders, Yusuke joins the others as the Hikari Studio resume their journey with their next stop being Daiki Kaito's homeworld.
Arriving in the World of Diend, it appears to be a utopic society of happy and positive individuals, only to learn that this world is under the control of Fourteen and his Darkroachi. Yusuke is kidnapped by the Roaches to be conditioned into being a normal member of this world's society. After Fourteen's defeat, Yusuke is restored back to normal and is pushed by Kiva-La to unviel the arrival of the World of Shinkenger.
In the World of Shinkenger, Yusuke learned that this is a world without any Kamen Rider and it is instead protected by the , who combat the . Kuuga fought with Shinken Blue and Shinken Yellow of the Samurai Sentai Shinkenger to defeat the Kaijin Ride Eagle Undead of Chinomanako Diend, before Decade joined in the final battle and defeated the Rider.
Entering the World of RX, Natsumi's life was put in danger after Apollogeist drains her life through his Perfector. Yusuke remains by her beside in the hospital while Tsukasa desperate tries to revive her. Decade learns of Apollogeist and the Perfector from Kaito and goes off to find him, while Kuuga briefly fought against Apollogiest and Dai-Shocker's forces. Yusuke would continue to accompany Tsukasa and Natsumi in the World of Amazon, before they arrive in the final world in Tsukasa's journey.
====World of the Rider War====
During the Rider War, though his world is destroyed, Yusuke still exists due to his traveling of the Nine Worlds. In the World of the Rider War, Yusuke tries to stop Wataru and Kazuma Kendate from fighting each other when their worlds are in danger and find that the Fangire Queen, Yuki, has married Apollogeist, evolving into Super Apollogeist. With this new enemy, Yusuke aids Tsukasa against Dai-Shocker's forces and helps defeat the rest of the Fangire and Undead armies with help from Kazuma Kendate and Wataru. Unfortunately, Super Apollogeist accelerated the fusion of worlds, causing Kazuma and Garren to disappear and Apollogeist kidnaps Natsumi.
Yusuke would learn from the original Kamen Rider Blade, Kazuma Kenzaki that the worlds are merging because of Decade's nature to unintentionally bridge worlds by entering them. Yusuke continues to remain on Tsukasa's side as he protects him from Hibiki and Kiva who were forced to fight him. As Decade while he deals with Apollogeist, Kuuga fights alongside Decade and Diend, as well as Kiva and Hibiki to finally vanquish Apollogeist and his monster army. Kuuga was eventually injured by protecting Decade in battle, much to Tsukasa's distraught. Later, Kiva-La bites Yusuke to revive him, but turns him into Ultimate Kuuga (Dark Eyes Ver.).
===MOVIE War 2010===
In Kamen Rider Decade: The Conclusion, Yusuke leads the remaining Riders as they pursue Decade as he has been killing all the Riders. He finally settles things with Tsukasa as Ultimate Kuuga by sacrificing his own life to destroy him, only for Decade to survive and Kuuga turned into a Rider Card. Afterwards, Tsukasa was killed by Natsumi who has become Kamen Rider Kiva-La to stop his rampage. This causes the Yusuke and his world are restored, allowing him to aid in reviving Decade and defeating the newly formed Super Shocker once and for all.
Right after, in MOVIE War 2010, Kuuga joins the All Rider group alongside Diend and Kiva-La, to aid Decade and Double fighting the Super Crisis Fortress in their stead, so they can fight the Ultimate D on their own.
===Later appearances===
====Kamen Rider Heisei Generations: FOREVER====
Kamen Rider Kuuga Rising Ultimate appears as a poster when Sento and Sougo find Ataru and he brings them to his room, which is filled with Kamen Rider memorabilia, with Sougo and Sento stunned to see toys of themselves. Ataru reveals that Kamen Riders are only fictional.
====RIDER TIME: Kamen Rider Decade VS Zi-O / Decade Mansion's Death Game====
Yusuke is thought to be one of the participants of the King Death Game, but he turns out to be a malicious doppelganger from another world. The real Yusuke, as Kamen Rider Kuuga, later appears along with Kamen Rider Diend and Kiva-La to assist Decade, Zi-O and the Time Jackers, in their fight against Ohma Zi-O. However, they are unable to defeat him, leaving the fight to the two main Riders...
===Non-Canon TV Appearances===
====Kamen Rider G====
After Goro transformed and fight as Kamen Rider G, Decade, alongside the 9 Heisei Riders, appear in front of him, to prove him what is it to be a Rider, with the Kamen Rider Decade TV series.
===Video Game Appearances===
====Kamen Rider: Battride War====
Although the playable Kuuga in Kamen Rider: Battride War is confirmed to be Yusuke Godai, Yusuke Onodera makes an unofficial appearance in one mission and is directly referenced in another. In the mission Decade's Awakening, the first "boss" character fought is Kuuga, intended to represent Onodera (though there are no gameplay or vocal changes from the original Kamen Rider Kuuga TV series' version). Additionally, if the player uses Decade in the mission Kuuga's Awakening, Tsukasa will have special dialog where he acknowledges that Godai isn't the same man he traveled with, but says they both have the same desire to protect people's smiles and encourages Godai to remember that desire to help him break free of Mnemosyne. However, Kuuga cannot be used in Decade's Awakening due to the presence of the boss Kuuga, meaning Godai has no special dialog with Tsukasa.
====Kamen Rider: Battride War Genesis====
Yusuke Onodera makes his playable debut in Kamen Rider: Battride War Genesis, with Ryota Murai reprising his role from Kamen Rider Decade. The primary difference between the two Kuugas is that Onodera lacks the powered-up Rising Forms, but instead, the charge attack is used to access Ultimate Kuuga (Dark Eyes Ver.), which act as a limited form change. His strongest form is Rising Ultimate Kuuga (Red Eyes), and his Super Finishing Move is the Rising Ultimate Kick.
Kamen Rider Kuuga intro in Battride War Genesis.png
====Kamen Rider Battle: Ganbaride====
Kamen Rider Kuuga Rising Ultimate, both standard and Dark Eyes Ver., appear as playable and support characters in the video game Kamen Rider Battle: Ganbaride.
g8914263.jpg|Kamen Rider Kuuga Rising Ultimate card
g8934425.jpg|Kamen Rider Kuuga Rising Ultimate (Dark Eyes Ver.) card
====Kamen Rider Break Joker====
Kamen Rider Kuuga Rising Ultimate appears as a playable character with other Riders and monsters in Kamen Rider Break Joker.
====Kamen Rider Battle: Ganbarizing====
Kamen Rider Kuuga (A.R. World) in Ganbarizing.png
==Personality==
Unlike Yusuke Godai who was confident of himself, Onodera was (initially) a rather meek and cowardly man who hesitated to fight the Gurongi, and would at times flee from danger rather than face it. Although not as confident or courageous as the original Yusuke, this Yusuke also tries to protect everyone’s smile thus showing some resemblance. As he traveled with Tsukasa and the others, Onodera gained more confidence and became more mature as he was willing to sacrifice himself to save the Nine Worlds, showing how much he had changed compared to his initial appearance.
== Abilities ==
* Combatant: Unlike the original Yusuke, Onodera wasn't very good at fighting and lost more battles than he won. Even when he gained access to Rising Ultimate Form, Onodera wasn't able to control it for some time. Although he had access to all four of the original Kuuga transformations, he typically eschewed them in favor of Mighty Form, often leaving him at a disadvantage.
==Forms==
Just like the original Kamen Rider Kuuga, Kuuga can change into various forms into which he gains different powers and specialties. Unlike Godai, Onodera is never seen to be able to transform into any Rising forms or Amazing Mighty. However, he was able to unlock Kuuga's Extra Final Form, Rising Ultimate, which Godai did not until Wizard Episode 53.
In the World of Agito, Yusuke temporarily becomes .
During the visit to the World of Den-O, Yusuke is possessed by Momotaros, who uses him as a body to transform into .
==Equipment==
===Devices===
*Arcle - Transformation belt
*Amadam - Power source
*Den-O Belt - Transformation belt
*Rider Pass - Train pass used in transformation
===Weapons===
*Dragon Rod - Dragon Form's personal staff
*Pegasus Bowgun - Pegasus Form's personal gun
*Titan Sword - Titan Form's personal sword
*GM-01 Scorpion: A modular magnum pistol, stored on right hip, hand-carried in use. Compatible with the GG-02 Salamander module attachment
*DenGasher - A weapon used by Den-O that can be manipulable depending on the Imagin. While Momotaros in possession, his took the form of .
===Vehicles===
*Trychaser 2000 - Yusuke Onodera Rider Machine
==Imagin Possessions==
==Rider Cards==
Several Rider Cards allow Tsukasa Kadoy (Kamen Rider Decade) to access the power of Kuuga.
==Behind the scenes==
===Portrayal===
Yusuke Onodera was portrayed by . As Kamen Rider Kuuga, his suit actors were and . In Kamen Rider: Battride War, he was voiced by Nobunaga Shimazaki, who also voices his actual counterpart.
===Etymology===
Yusuke's surname is a reference to Kamen Rider Series creator Shotaro Ishinomori whose original family name is the same as Yusuke. It is also his son's last name Joe Onodera, supervisor of the Kamen Rider Series after his father's death, whose first name is romanized as the English name "Joe", the original Kuuga's actor Joe Odagiri's, first name.
==Notes==
*Yusuke is the only A.R. World Rider who leaves their world to join the Hikari Studio group.
*Yusuke is also the only A.R. World Rider to make an appearance in a video game as he appears in Battride War Genesis.
==Appearances==
==References==
===Footnotes===
Category:Decade Characters
Category:Heisei Era Riders
Category:Nine Heisei Riders
Category:Decade Riders
Category:Good turns evil
Category:Evil turns good
Category:Heroes
Category:Revived Riders
Category:Antiheroes
Category:Supporting Riders
Category:Tertiary Riders
Category:Dark Riders