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Characters / Citadel Of The Heart Ben 10 Cast And Affiliates

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Main Characters | The Ultimorian Deities (Chronicler, Grandis, Mirror M) | ESWN Cast and Affiliates | Pokémon Cast And Affiliates (Necrozma) | SAO Cast and Affiliates | The Blue Tri Cast and Affiliates | Godzilla Cast and Affiliates | DinoSquad Cast and Affiliates | Digimon Cast and Affiliates (Digimon Re: Adventure, Digimon Re: Tamers) | Code Lyoko Cast and Affiliates | Ben 10 Cast and Affiliates


A Work In Progress character page because, while at the time no official plans for a story based on Ben 10 are in place, the author has already made long-term plans to ultimately make such a fic, and has already prepared behind the scenes some of the bios as to certain major characters or entities within this story. As a direct result, keep in mind everything and anything here is a spoiler waiting to happen, and thus will be unmarked for most of it. You have been warned.

    Protagonists (Canon) 

Ben Tennyson

Gwen Levin

    Antagonists (Canon) 


Debut: Digimon Re: Tamers

  • Big Bad: Unlike most of the canonical Big Bad characters, Vilgax gets to more or less keep this role from the canon without very many strings attached; in some way or form, the other canonical villains had been altered in some way or form to compensate for things that would've put them at a disadvantage in the narrative sense of Citadel Of The Heart, thus giving them a case of Adaptational Badass or Adaptational Wimp whenever necessary.
  • The Cameo: Digimon Re: Tamers has him cameo as to serve as an Establishing Character Moment to just about what kind of insanity the Ambassadors get themselves into on a regular basis that heavily differs from what they would encounter in their home verse.
  • The Comically Serious: Especially in Digimon Re: Tamers, who the cast he considers an Outside-Context Problem due to their lunatic nature in his eyes, whereas the main cast considers him an Outside-Context Problem for how deadly pragmatic he is compared to them.
  • Did You Just Punch Out Cthulhu?: Tears an exhausted Phase 3 Mirror M's left arm off and causes his biomechanical enhancers and armor to short circuit and explode on him; because Mirror M's spine is directly attached to the back armor, he's effectively killed off for the time being due to this chain reaction of injuries.
  • Outside-Context Problem: Normally Averted, but special mention goes to his cameo in Digimon Re: Tamers, in which he plays this trope straight by how he comes across to the Digimon cast members by attacking them while they call their attacks of their digivolutions; something the Digimon such as Alphamon notes is not considered normal to them.
  • Small Role, Big Impact: He delivers a Curb Stomp Cushion to Raiga by virtue of Raiga being Wrong Genre Savvy when trying to impale him in the heart, not realizing that she completely missed his other hearts to be able to kill him flat out, and is able to catch Raiga completely off-guard because of this and tears off her Garuru Cannon and Grey Sword because of this. As a direct result, Raiga is forced to degenerate into Flare and Tempest as the biggest consequence of this entire encounter, and they don't regain their form as Raiga until a long while later.
  • Surrounded by Idiots: Utters this near word-for-word in Digimon Re: Tamers due to the quirky nature of the Digimon cast members when paired against his own verse's logic.
  • Truer to the Text: Most of the canon villains from the various installments of Citadel Of The Heart were in some way or form heavily altered as to either give them Adaptational Wimp, Adaptational Villainy, Adaptation Personality Change, or Adaptational Badass, and any and all combinations of those four whenever necessary.note  Vilgax is the first villain to be introduced who almost is completely unchanged from his canon characterization, although much like the others he still does somewhat differ at least in the backstory department as to make him more fleshed out, but aside from that he's almost identical to his canon counterpart otherwise. Which becomes a plot point since it's implied he may or may not be the canon Vilgax after all.
  • Wham Shot:
    • The narrative describes the presence of the first otherworlder encounter in Digimon Re: Tamers as a "hulking, green, Cthulhu-esque humanoid with fiery veins bulging from his muscles", indicating that Vilgax, and not any other Digimon entity, is what the cast is about to find themselves facing off against.
    • If him killing Mirror M even temporarily doesn't count, than the fact Mirror M's left arm isn't going to regenerate due to his fight with Vilgax certainly will.

Kevin Levin

  • Adaptational Villainy: At first seems to be played up more so than the original series, considering he's an unhinged sociopath who constantly is a Thrill Seeker who enjoys suffering as a game of sport and risk, but it's somewhat Subverted by the fact because civilian targets 95% of the time offer no actual risk, he completely ignores them in favor of those who can actually put up a fight.
  • Dare to Be Badass: He wants to have his name go down in history in the long run.
  • Pragmatic Villainy: Not intentional, but he only goes after people who can give him a risk if he goes after them in a fight; i.e., he considers helpless civilians to be too boring of a target.
  • Significant Green-Eyed Redhead: His natural eye and hair color respectively; he hides it with contact lens for his eyes, and black dye for his hair. He thinks his original look makes him look completely stupid when used alongside his brand of personality. What he doesn't know, however, is that it does make him suspicious of Gwen due to having these same features as his natural look, to which it makes Kevin recall brief mentions of his missing sibling...
  • The Sociopath: He enjoys the suffering of others so long as there's a risk to it.
  • Troubling Unchildlike Behavior: He flat out wants to hospitalize Ben the first time he hears about him, even though he tries to hide it from Ben upfront initially.


    Protagonists (OC) 

    Antagonists (OC) 

    Omnitrix Aliens 


    Alien Species 


  • Size Shifter: Their size shifting ability is much more prominently used, but depending on how Ben tries to use it might pose trouble for him.
  • Square-Cube Law: Actually immune to this trope, but a typical Vaxasaurian has to be specially trained to be able to learn how to use their Size Shifter abilities as to fully prevent the Square-Cube Law from effecting them; training Ben does not initially have.
  • Take That!: Its sole predator in ancient times could not adapt to the Vaxasaurian's abilities as a Size Shifter once they had acquired it, and were hunted down to extinction which leads to the Vaxasaurian species dominating their home world.note 


  • Ultimate Lifeform: Outside of the Celestialsapiens, their ability to survive in vacuum, their incredible size and overall strength, and the ability to devastate planets and stars if they truly wanted, makes them incredibly dangerous to approach.

The Grandis Effectnote 

  • David vs. Goliath: As the predator of the To'kustars, who are the size of Kaiju, the Grandis Effect is a virus the size of a microbe that rapidly infects a To'kustar's body with a disease.
  • Named After Somebody Famous: Kevin ends up naming Grandis in this form as the Grandis Effect due to the fact Grandis allegedly cheated in his fight with him. What doesn't realize is that Grandis turned into a microscopic disease which then proceeds to infect him and leave him incredibly sick to his stomach.
  • Shout-Out: To The Sword in the Stone due to its debut appearance.

Chimera Sui Generis

  • Nigh Invulnerable: As Vilgax best demonstrates.
  • Ultimate Lifeform: About the strongest non-Reality Warper tier alien to exist of their given size class. You'd have to be incredibly much more massive to overpower one with minimal effort, such as the To'kustar species. They also have no predators of any kind, unlike certain species of aliens within the Omnitrix.


  • Adaptational Badass: The species was not actually God in the original, but in this their leader is ultimately this in the context of Cosmic Ocean.
  • Berserk Button: Never put them within 1 trillion light years of Ultima of the Ultimorian Deities, since you have a death wish if you do.
  • God: Their leader is more or less this by technicality.
  • O.O.C. Is Serious Business: All three inherent personalities will completely agree to dispose of an Ultimorian Deity if absolutely no other option presents itself. Keep in mind, the chances of this happening at any other time is next to impossible.
  • Our Gods Are Different: Only one leader of the Celestialsapiens exist per multiverse, and they generally do what they can to avoid Ultima of the Ultimorian Deities, considering the two would by no means get along.
  • Mysterious Past: No matter how hard anyone argues against it, Ultima has an uncanny resemblance to this species to an extent, but those resemblances end there once you realize what little details they do differ in instead makes one wonder if Ultima is a much more advanced version of an individual Celestialsapien. Anyone who knows Ultima's backstory would say it's most definitely not the case, but those who only just recently hear of Ultima at all wouldn't be able to know that for themselves.
  • Pride: Considering their Omnipotence, they needless to say developed incredible egos present in almost every individual of the species.
  • Top God: Why their Berserk Button is Ultima's presence; they refuse to admit that Ultima is considered this and not the Celestialsapien leader.
  • Ultimate Lifeform: The Olympus Mons of the alien races of this particular multiverse.



The Omnitrix currently ties into many factors regarding why Dr. Devoniak is so problematic; his and Ultima's creations, the Ultra Cards, if they were to come into contact with the Omnitrix, would cause either the Omnitrix itself or its wielder to undergo a very extreme Hyper Evolution that'll ultimately cause them to take the form of every possible alien within the Omnitrix at once, with only a very small remnant of their original selves in the process. An abomination is created whenever this happens, and is heavily implied that such an abomination has successfully been created as the result of these Ultra Cards, but is currently unable to be located with the depths of the Greater Multiverse; this is what causes Grandis to convince his son Chronicler to form the Ambassadors initially, and indirectly causes Eidolon to form the Embassies as a direct result. The presence of this abomination disturbs Grandis enough to where he feels the Ultimorian Deities are not equipped for the job of terminating it; he feels the assistance of other worlds joining together is the only way possible to terminate this threat.

The Ultra Card

A mysterious, otherworldly card that originates from partial essences of Ultimorian Deity Ultima, a DNA sample of a Chimera Sui Generis, a Xilatealeon, the Legendary Light Dragon Jadedramon, a newborn Celestialsapien, and at least 50% of the card's genetic material coming from Ultragon. The card's material is also combined with the synthetically engineered replication of Zeronium made into a paper-like form, but giving it an extremely sharp, metallic feel; even so much as being near it can harm someone, as the various genetic material contained within is home to some of the most dangerous life-forms across the greater multiverse. Why was this card ultimately engineered? Based off of the creation of the original Ultra Card, it seems to be ultimately as an explanation for how Ultragon came to be. As for why Ultragon is attempting to create more of itself, the idea of building an army seems misguided; due to the insanity of Ultragon's own overwhelming power, the need to create the other Ultra Cards could only have at best a very primal motivation at most.

The debut of the Ultra Card occurs outside of Cosmic Ocean, as in Chapter 14 of Digimon Re: Tamers, Grandis uses an Ultra Card he had on hand in case of an emergency; using it upon himself as his weakened Phase 4 form, he undergoes the Ultra Card's signature "Hyper Evolution" process, which forcefully merges the parts of Grandis that form his namesake armor, and the organic human half into a singular being in harmonious synchronization with technology and nature. Unfortunately, while Grandis initially appears to be heavily docile during all of this, his newfound abilities as the newly christened "Shining Grandis" makes him unstable to where even in this seemingly docile state, his lack of concentration on his own power can cause major damage to the area or the weather going on for hundreds of miles apart. As a direct result of this Hyper Evolution, Shining Grandis is dragged into the Digital World, and thus the cast of Digimon Re: Tamers goes in after him, thus drawing the Wham Episode of the Series Fic's Arc Numbers to a close. Due to the fact the DNA used in the Ultra Card is ultimately a majority from aliens or OC aliens from Ben 10, the Ultra Card is technically more at home under this page than it does in the main character page.


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