Quotation1 You're not very good at flirting. Quotation2
Unitrix in Simian Says

Eunice in Simian Says.


Unitrix, (nicknamed Eunice) is a prototype Omnitrix which can absorb and contain DNA of various different species. She is also one of Azmuth's creations.


Her species is an artificial human.

Home World

Like the Omnitrix, she was created on the planet Primus.


Her occupations are the Unitrix and Azmuth's Assistant.


She have two appearances.

Unitrix Form

In her true form, Eunice is the Unitrix, a core similar to the Omnitrix and Ultimatrix.

Unlike future models, the Unitrix resembles a container instead of a watch, but does feature a control dial that, when pressed down, turns it to its mobile DNA form (in this case, Eunice).

Human Form

Eunice's base mobile form is a teenage human girl. She has shoulder-length blond hair with a single bang and bright green eyes.

When they first found her, Eunice was completely naked, then she borrowed Ben's jacket so she wouldn't be seen naked. Afterwards, she borrowed a pink tank top, white shorts and brown flip-flops from Gwen. Since working for Azmuth on Primus, she now sports a white jumpsuit with black stripes.

Powers and Abilities

Eunice is capable of storing DNA of various different species. Unlike the Omnitrix and Ultimatrix, Eunice is not connected to the Codon Stream, and unlike the completed Omnitrix, she can only hold one DNA sample.

Eunice was shown to be able to absorb powers and abilities of animals (a rabbit, a bear, and a snake) and then to manifest traits of these animals (enhanced jumping, strength and flexibility) without changing her form. According to Dwayne, whatever Eunice absorbs, she only has the abilities of it for ten or so minutes.

There is a green rectangle on the back of Eunice's neck and when pressed, it turns Eunice back into the Unitrix.

In addition, local wildlife seemed to be attracted to Eunice to the point where normally shy animals would gather around her and tame more dangerous animals (like a bear or snake).

Eunice received an upgrade to have a one way subspace link to Primus for uploading DNA samples.

Besides Transformation, DNA Absorption and Ability Absorption, she can easily tame animals and have enhanced intelligence.

Absorbed Powers

So far, Eunice have absorbed 4 animals. It is below:


When absorbed a rabbit's power, she haves enhanced jumping.


When absorbed a snake's power, she haves enhanced flexibility.


When absorbed a bear's power, she haves enhanced strength.

Arachnichimp(Spidermonkey in other terms)

When she absorbs an Arachnichimp(nicknamed Spidermonkey by Ben), she haves enhanced agility and strength.


If the markings on the back of Eunice's neck are pressed, she will revert to the Unitrix.

Having her link to Primus active, Eunice can cause parallel signal interference which could cause the Ultimatrix to lose its connection to Primus if it is nearby. Eunice can shut it off to prevent this.

Eunice can be turned into a DNAlien. She can be cured by turning the Unitrix off and back on again.


In The Transmogrification of Eunice

She makes her debut in this episode. Before the events of the show, Sunder was hired by Azmuth to find the Unitrix when Azmuth lost it. The Unitrix's pod was discovered in the forest at the same time Ben's Team was driving for a camping trip. After encountering her, she stayed with them for the day, bonding with Ben (who had recently broken up with Julie), the two of them were soon attacked by Sunder, who shut Eunice down and attempted to get away before Kevin and Gwen stopped him as Kevin restarted the Unitrix again.

While the four of them scuffled with Sunder, Azmuth arrived and cleared things up. He stated that Eunice was a Unitrix, a prototype version of the Omnitrix created when Azmuth wanted to preserve alien DNA by placing genetic samples in individual Unitrixes that can animate themselves to take on the appearance, and use the abilities, of the DNA samples that were uploaded into them for protection. Azmuth states that when Gwen cut her hand, trying to open the pod containing the Unitrix, her DNA was sampled and randomized to make a human form for the Unitrix (explaining why Eunice has blonde hair while Gwen has orange/red hair). Following a brief argument, Ben allowed Azmuth, under a compromise, to take on Eunice as one of his assistants on Primus.

In Simian Says

In Simian Says, Eunice was tending to DNA in the Codon Stream, where she found the Arachnichimp DNA had some degradation. She went to Aranhaschimmia to get a fresh DNA sample, where she found the Xenocyte infestation and stayed to help. She was eventually thrown into a pool of Xenocytes and turned into a DNAlien. She fought Swampfire, but was cured. She eventually used Simian to revert all the Arachnichimp DNAliens to normal.

In The Ultimate Enemy: Part 2

She appears in a flashback.


  • According to Azmuth, Eunice is dangerous.
    • According to Dwayne, we will see why.
  • According to Derrick, it is "doubtful" that Eunice will appear in Omniverse.
  • Eunice's mark on the back of her neck resembles the brand of a Pulse l'cie from Final Fantasy XIII.
  • The reason why the Unitrix landed on Earth is because it was seeking an Omnitrix core like itself and the Ultimatrix has an Omnitrix core.
  • At the beginning, Eunice's origin was kind of similar to Supergirl's arrival on Earth; she appeared in a space pod, she was fully naked, she had the DNA of Earth's heroes, and she didn't know what was happening.
  • Eunice's role in the series somewhat mirrors that of the character Nia from the series Tengen Toppa Gurren Lagann: both were/are artificial life-forms embedded in the human genome and both have a relationship with the protagonist (Eunice's relationship to Ben being a minor one) Coincidentally, Yuri Lowenthal voices both Ben and Simon, the main character of said anime.
  • Eunice being afraid of going back into storage is similar to Jessie from Toy Story 2 being afraid of being put into storage. They are both artificially made.

If Eunice's DNA sample gets altered or corrupted, it can be repaired by turning the Unitrix off and back on again.

  • Eunice's power to gain the abilities of animals is similar to Vixen from DC Comics.

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