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Ikuto Noguchi (野口　イクト　Noguchi Ikuto) is a fictional character in the anime series Digimon Savers. He is voiced by Rie Kugimiya in the Japanese version.

He is the fourth main character to be introduced, and the seventh character to appear with a Digimon.

As opposed to the other members of DATS, Masaru, Yoshino, and Tohma, Ikuto did not live in the human world, nor did he originally have a particular liking for it. Though originally born on Earth to the DATS scientist Misuzu Noguchi, he was accidentally transported to the Digital World as an infant, where he was raised by first Frigimon, then Mercurimon. He believes in defending the peace of the Digital World, and also believed that humans were nothing but a threat to it. Despite his young age, Ikuto has great fighting skill (many of his moves mirror the ninja-like aspects of Falcomon). He wields a boomerang, and wears a cape and a necklace adorned with feathers, and also has facepaint.

When Ikuto was transported to the Digital World as an infant, he was protected by Falcomon and a Frigimon. He was sickly as a young boy; at one point Frigimon went to find medicine left behind by humans that had been in the Digital World. But after nursing him back to health, the evil scientist Kurata came to the Digital world to try and annihilate the Digimon in an act of genocide. Though Kurata was eventually defeated, he was able to destroy many Digimon, amongst them was Ikuto's Frigimon mother, who was destroyed before his very eyes while trying to protect him. This event is crucial to Ikuto's hatred of humanity, as he came to believe that all humans were evil and became dedicated to defending the Digital World from them.

Ikuto first appeared in the series' fourteenth episode, where he attacked the members of DATS as they emerged into the Digital World. His initial attack destroyed the equipment they had brought with them, effectively stranding them in the Digital World. To their surprise, he revealed that he had a D-Tector, which he then used to help himself Spirit evolve into Godmon. He overwhelmed RiseGreymon, MachGaogamon, and Lilamon, until their battle was interrupted by an angry Cherrymon, who was enraged by the fact that their battle was endangering the Nyokimon he was protecting. When Gotsumon, one of Mercurimon's servants, began to rain massive rocks down on the area, Ikuto fled.

Ituko would later watch as the DATS members battled MetalPhantomon, but after he was defeated, they personally intervened. Ikuto intended to attack Yoshino, who had fallen ill and contracted a virus, but Ikuto instead contracted the virus himself.Ituko then forged an uneasy alliance with Tohma and Masaru to retrieve a vaccine, and saved the group. Ikuto later departed on his own. Ikuto reveals the reason for his hatred of humans to Masaru in episode 17. A mysterious group of humans (later revealed to be Kurata and his strike force) destroyed his Digimon foster-mother, Frigimon, and he cannot forgive the humans for what they did. Believing himself to be a Digimon, he now attacks any human he comes across. However, while battling with the DATS members, he slowly gains a new perspective of humans, and is actually impressed with some of their kind and honorable acts. He is especially taken by Masaru, who seems to actually care for his well-being, despite their initial hostilities, and with his ideas of nobility and honor.

The events of episodes 18-19 forced Ikuto into the human world against his will.Their on the way back Ikuto told them that he was the lengendary warrior of plasma and that he was the digimon. It was there that Ikuto learned from DATS's commander, Satsuma, of his birth parents, the Noguchi couple. Ikuto, the son of Dr. Noguchi, was sucked into the Digital Gate by accident when he was a baby. Though Dr. Noguchi and his wife participated in a Digital World expedition team in order to rescue Ikuto, they never found him. Ikuto, with urging from Masaru, decides to meet them, but Gotsumon makes that difficult with three Okuwamon; two were defeated by RiseGreymon and Lilamon. A Hagurumon then appears and takes over Dr. Noguchi's home by using his Darkness Gear on a toy robot (left over from Ikuto's childhood) which merges with the house and then uses the memories that Ikuto had of the toy robot and transforms it into a bizarre, giant, toy-robot house with Misuzu Noguchi trapped inside. Hagurumon's face was seen as the left eye of the robot. Misuzu was rescues by Ikuto's digivolving into Godmon. Hagurumon was destroyed by RiseGreymon. Thus the toy robot his gear merged with returned to normal.

Even though he was briefly reunited with his mother, Ikuto's memories of Frigimon (who Ikuto regards as his mother) were still etched in him. Though he realized that he loved his human mother as well, his human father warned that his presence may upset his mother, who had to undergo a lengthy and hard recovery from his initial disappearance. In addition, the Noguchi's now had a second child, Ikuto's baby brother. Suddenly, Satsuma's superior, Chief Hashiba, whose department oversees DATS, appears and tries to declare the Noguchi's as criminals for haroring Ikuto, who he declares a threat and a fugitive (as part of a larger plot by Kurata to try and take command of DATS). In order to save his human family from imprisonment and keep his infant brother united with his parents, Ikuto ultimately denounces his humanity and he runs off with Falcomon, saving his family from prosecution. Masaru and the other DATS members become extremely angered at Chief Hashiba for his actions.

Matters get worse when Gostumon appears later leading SaberLeomon's army of Boarmon and Pteramon in an onslaught against the city unless Ikuto is brought before him. Gotsumon now sees Ikuto as a traitor to the Digimon and wishes to destroy him and Falcomon for what he sees as collaboration with the humans. The DATS members flaty refuse and wage an all out war against the invading forces. Ikuto, filled with grief and worry for his new friends, eventually pops up to help them. After that, Masaru moves Ikuto in with his family, and acts as surrogate big-brother towards him. Masaru's family and the other DATS members also try to help get Ikuto settled, all the while hiding his presence from Chief Hashiba.

When Masaru and company set for the Digital World to meet Mercurimon and propose peace between Earth and the Digital World, Ikuto remained at home. But after much thought and soul-searching, he decided to follow them and them obtain the peace they, and now him as well, wished for. However, the mission goes wrong when Kurata, under false pretenses of peace, attacks Mercurimon using Gizmon XT, which is under his control. It is then that Kurata reveals the truth about Frigimon's death and that he is the real culprit. Mercurimon is mortally wounded by one of Kurata's Gizmon XT. Ikuto is moved by Mercurimon's last words, realizing that the only humans he must fight are the evil ones, and also realizing that Frigimon wanted him to live in peace with both his human and Digimon natures. His digisoul awakened further allowing him to bring Falcomon to his Ultimate level, Yatagaramon. With this new power, Ikuto managed to save the DATS team who were now engaged in battle with Kurata on Ikuto's behalf and were about to be defeated.

Unfortunately, Kurata escapes through a Digital Portal and upon returning to Earth, convinces Chief Hashiba that DATS is now a traitorous and rogue organization. When Ikuto and the others return to Earth, they are met by an armed defense force, which separates them from their Digimon Partners. Falcomon and the other Digimon eventually escape and rescue Ikuto and the others. Later on in the story, during the fight with Kurata fused with Belphemon, Ikuto summons his full digisoul gets his beast spirit and becomes HippoGrphyomon.