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Ienzo KHIII.png

Japanese イェンツォ
Rōmaji Yentso
Voice actors (Ja:) Akira Ishida
(En:) Vincent Corazza [1]
Homeworld Radiant Garden
Games Kingdom Hearts Birth by Sleep
Kingdom Hearts 3D: Dream Drop Distance
Kingdom Hearts III
Kingdom Hearts Melody of Memory

Kingdom Hearts Birth by Sleep
A young boy who speaks little—but his serene gaze suggests he sees much.

Even and the others at the castle are raising him since he has lost his parents.
Kingdom Hearts 3D: Dream Drop Distance
The human form of Zexion, one of Organization XIII's Nobodies. He used to be one of Ansem the Wise's apprentices and researched the mysteries of the heart.

He has awoken in Radiant Garden.
Kingdom Hearts III
The human form of Zexion, one of Organization XIII's Nobodies.

Before joining the Organization, he was one of Ansem the Wise's apprentices and researched the mysteries of the heart. He is now hard at work deciphering Ansem's Code.
"Xemnas and Xehanort have no hold over us now. We're just students of the heart, exactly the same as we were before all of this began."
—Ienzo to Sora

Ienzo is one of Ansem the Wise's six apprentices, as well as the human form of Zexion. He heads scientific research at Radiant Garden alongside Dilan and Aeleus, and, following their return after the events of Kingdom Hearts III, Ansem the Wise and Even.


Kingdom Hearts Birth by Sleep[edit]

Ienzo's parents passed away some time before Terra, Ventus, and Aqua arrived at Radiant Garden.

Disobeying the orders of his master to stay inside the castle, Ienzo was ultimately surrounded and attacked by Unversed until Ventus came to his rescue. Shortly after the battle, his escort Even arrived and gave Ventus both his and Ienzo's thanks, explained Ienzo's past and that he had been assigned to take care of him since the death of his parents, gave Ventus the directions to the Outer Gardens where he would find Terra, and returned to the castle with Ienzo.

Blank Points[edit]

Ienzo eating sea-salt ice cream with Ansem the Wise.

As Braig is interrogating Terra-Xehanort, now known simply as Xehanort, on his state of mind, Ienzo and Ansem walk past, eating sea-salt ice cream. The pair stop and turn to see Braig and Xehanort walking away, still deep in conversation.

Between Kingdom Hearts Birth by Sleep and Kingdom Hearts 358/2 Days[edit]

Ienzo and Even are consumed by darkness.

Ienzo was still one of six apprentices of Ansem the Wise, the ruler and scientist of Radiant Garden, alongside Braig, Dilan, Even, Aeleus, and Xehanort. Worried the darkness in people's hearts would eventually consume his world, Ansem began performing tests on Xehanort's heart. Eventually, at Ienzo's persuasive influence, he created a laboratory in his castle's basement for such experimentation. However, Ienzo and the other apprentices had their own intentions for the laboratory, and began conducting inhumane experiments on the human heart and the darkness within it. Such experimentation led to the creation of the Heartless. Ansem quickly discovered their secret experiments, and immediately ordered them to stop. One day, after being advised to review their research data by King Mickey, Ansem found that the effects of their experiments had become irreversible.

Unknown to Ienzo, Xehanort and the other apprentices banished Ansem the Wise to the Realm of Darkness; they told him that Ansem had gone mad and abandoned them. Heartbroken, Ienzo continued to help with their research. Kingdom Hearts III When Xehanort's memory returned, Ienzo and his caretaker Even had their hearts removed by his Keyblade, turning them into Nobodies.

Kingdom Hearts 3D: Dream Drop Distance[edit]

Ienzo, along with Aeleus and Lea, search for the missing members.

A matured Ienzo is restored to human form following the destruction of his Heartless and Zexion, awakening within the Heartless Manufactory alongside Dilan, Aeleus, Even, and Lea. The group soon discovers that Braig and Isa are missing, and Ienzo explains to Lea that a person is meant to return to human form at the world where they lost their heart, which prompts Lea to leave on a search for Braig and Isa.

Kingdom Hearts III[edit]

Ienzo talks with Sora
Ienzo informs Sora of the data left inside him by Ansem the Wise.

Ienzo is given a Gummiphone by Chip and Dale to allow them communication across the worlds. He joins in the first call to Sora's Gummiphone. Seeing how confused Sora is to see him, Ienzo tells him that it's been some time since they met at the castle, mistakenly assuming like members of the first Organization that Sora has Roxas's memories. He tries to get Aeleus to talk to Sora as well, but fails. He explains that he, Aeleus and Dilan have returned to being students of the heart; when they cast off their hearts to become Nobodies, they were being deceived by Xehanort and Xemnas. However, because he mentioned them, Sora jumps to the wrong conclusion that they are still bad guys; though Goofy quickly remembers Axel is their ally now, ending the hostility. Ienzo goes on to explain that Ansem's Code has revealed that Sora's heart doesn't belong to him alone; Sora explains that it's likely due to Roxas's heart residing inside of it. Ienzo states the idea has merit as it was amazing enough Roxas could coexist with his original self; he informs Sora that they will use this hypothesis to further their research into Ansem's Code and ends his call.

Shortly afterward, Ienzo gets an alert on the computer that says someone is trying to log on using a different computer. He gives Sora a call, learning about the lab Ansem the Wise has in Twilight Town. After helping Pence set up a link to his computer in Radiant Garden, Ienzo begins working to collect the data on Roxas from the other Twilight Town to begin reconstructing his heart.

King Mickey and Riku later visit him to ask about the possibility of using replicas as vessels for the hearts of Roxas and Naminé. Ienzo explains that Even is the only one who would have in-depth knowledge of how to create replicas from his time as Vexen; however, he's vanished, with Aeleus and Dilan having no luck finding him. Any documents they have are from well before he made significant progress. Riku immediately guesses that the new Organization may have taken him to use the replicas to fill out their ranks.

Ienzo later calls Sora, revealing the part of Ansem's Code that they've managed to decipher. Ansem the Wise had discovered that not only does Roxas's heart reside within Sora's heart, but two more hearts as well; having just met Vanitas at Monstropolis, Sora knows one is Ventus, but remains clueless about the identity of the third heart belonging to Xion.

Despite partially reconstructing Roxas's heart from the data, Ienzo is stumped on how to progress; without a vessel to place the data in, they are at a standstill. Ienzo is surprised by Demyx, who arrives with something wrapped in a sheet; Demyx also reveals he was entrusted to secretly ferry Ansem the Wise back home. Ienzo tells Ansem that the other apprentices withheld the truth about his banishment from him. Ansem commends his young apprentice for recognizing his mistake and apologizes for failing him as a mentor after being consumed by his lust for vengeance against Xehanort. Demyx interrupts them to reveal that Vexen had given him a blank replica.

Ansem the Wise, Ienzo, and Even awake Naminé
Ienzo, Ansem the Wise, and Even greet Naminé as she awakes.

Ienzo places Roxas's data inside the replica, waiting for his heart to inhabit it. Needing another vessel for Namine's heart, Ienzo sends Demyx to the Keyblade Graveyard to collect any replicas that are left behind by defeated members of the new Organization. To ensure cooperation with the Seven Guardians of Light, Ienzo lends Demyx his Gummiphone as proof that he is not on the Organization's side.

Some time after the defeat of Xehanort, Ienzo along with Ansem the Wise and Even use the replica left behind by Dark Riku to help bring Naminé back into existence.

Kingdom Hearts Melody of Memory[edit]

Ienzo assists Even and Ansem the Wise in studying the memories in Kairi's heart, with the aim of finding clues to Sora's whereabouts. Eventually, Kairi awakens with a clue from her memories of Terra-Xehanort. Ienzo and Even are puzzled, but Ansem the Wise surmises that the clue points to Sora being in a world of "unreality, or fiction".


As a child, Ienzo wore the same uniform as Xehanort and Even, the other researchers apprenticed to Ansem. He wears a white lab coat over a black, V-neck top with a pale collar. Due to his size, the seams connecting his coat's sleeves are visibly lower than that of Xehanort and Even's and another horizontal seam connects the sleeves at the back. Ienzo rolls the sleeves of his lab coat back, partially covering his hands. He wears blue pants and navy-blue shoes. His steel-blue hair is neatly parted into long bangs that obscure the right side of his face and leave only one of his bright blue eyes visible.

As an adult, he dons a purple ascot similar to Even's, as well as the knee-high silver-trimmed boots worn by the other apprentices. His hair has grown much longer and is parted in a messier style. Instead of his V-neck top, now he wears a white dress shirt and a grey sweater-vest under his coat.


As a child, Ienzo was quiet, yet observant and curious. Most of his time was spent with Even, sharing with him his love for knowledge. He likewise held a good relationship with Ansem, as they were shown sharing sea-salt ice cream together as Ienzo held his hand. It was also Ienzo's persuasion which convinced Ansem to build his laboratory - implying that he valued Ienzo's opinions despite his young age.

As an adult, Ienzo became immersed in his scholarly pursuits. His personality had become bright, cheerful, and pleasant. These qualities were first apparent in his animated explanation regarding a Nobody's rebirth. He is similarly patient and kind with Sora and the others he interacts with, such as guiding Pence through establishing a server link to the laboratory computer. Where necessary, Ienzo rewords or rephrases concepts others have difficulty following on to lay terms, as demonstrated with his conversation with Sora on the Gummiphone.

Ienzo has shown great regret in his misdeeds as Zexion and that of his and his fellow apprentices's betrayal towards his teacher and father-figure, Ansem, the Wise. Thus, Ienzo strives to be of help to make amends and was able to make peace with Ansem upon reuniting with him, rekindling their friendship.

Notes and references[edit]