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Vilgax is an intergalactic alien warlord and conqueror that seeks to obtain the Omnitrix.


Vilgax is a muscular squid-like alien. His appearance is mostly similar to his original series counterpart; however, he has red veins across his arms and his mouth is visible. His tentacles are also darker at the ends.

In his incomplete form, "Vil" is a very slim frail-looking old man who wears a purple cloak. He was rather short and hunched back a bit. He also had very skinny feet.

As of Out to Launch, Vilgax has dark blackened patches of scarred flesh down his left side - a permanent reminder of his defeat at the hands of Ben.

In The 11th Alien: Part 1 and Ben 10 Versus the Universe: The Movie, Vilgax wears a tattered cape resembling the one he used to wore as "Vil".

During Ben 10 Versus the Universe: The Movie, Vilgax gains a more powerful form taller than Way Big. His body is mostly black but with a red outline and has what seem to be red stars on the black portions of his body. He retains his red eyes, yet does not seem to have a visible mouth.


Vilgax is serious and calm under normal situations. He is a master strategist and will think of alternate ways to get things that he wants, such as tricking his enemy, if physical force is not enough. He is a very convincing liar and will do whatever it takes to get to his goal, even teaming up with unlikely people such as Dr. Animo.

Vilgax has seemed to learn a lot after his numerous battles with Ben, such as learning to ignore his quips and how to counter most of his alien roster. Ben so far has needed to rely on pure power or something Vilgax has never tackled before, such as Omni-Enhancements and Way Big, to defeat him.

Vilgax is shown to grow more and more annoyed by Ben's antics as the series progresses, and disapproves of Glitch for being "more Tennyson than Mechamorph".

Vilgax believes it is uncultured to use his tentacles for fighting, preferring to keep his power controlled. He only uses them when he is irritated at his enemy.


Prior to the beginning of the series, Vilgax sent drones to retrieve the Omnitrix when it was on its crash course to Earth. The drones found the Omnitrix with Ben but were destroyed by the boy. This event was shown in Ben Again and Again.

Vilgax was introduced as the main antagonist of the season 1 finale in Omni-Tricked: Part 3. He wore a cloak and, after meeting Gax, named himself as 'Vil'. He gained Ben's trust by teaching him how to use Gax's laser vision properly, before betraying him and blocking Gax in the Omnitrix. This caused a malfunction in the Omnitrix, forbidding Ben from returning to his human form.

In Omni-Tricked: Part 4, he refueled his ship, the Chimerian Hammer, in the lava at Mount Megalodon. He was confronted by Ben, who gained the upper hand thanks to his unpredictable transformations before Vilgax repaired the Omnitrix for him. He captured Ben and attempted to remove the Omnitrix but failed. Ben then crashed the Chimerian Hammer by taking control of the main control console using Upgrade. He then upgraded his own Omnitrix, temporarily unlocking a form of master control, and defeated Vilgax, leaving him in his ship as it sank into lava.

In Out to Launch, Vilgax returns scarred from his volcano encounter and attempts to take over a ship "piloted" by Betts McCabe and intending on weaponizing its engine. However, he is stopped by Ben once again after another lengthy battle and being thrown out the cargo bay by McCabe and Omni-Enhanced Diamondhead.

Vilgax made his first alliance in Animorphosis, proposing a team-up with Dr. Animo to steal DNA from the Omnitrix and offering an upgrade to Animo's creatures in return. However, Vilgax winds up double-crossing Animo after they retrieve the DNA, and converts his laboratory into an alien superweapon; Omni-Enhanced Overflow and Animo attack Vilgax, but he quickly overpowers the two, only to be attacked by a Rath-transformed Animo. Vilgax is consumed by an explosion the two created and manages to escape.

Vilgax returns in The 11th Alien: Part 1, where he warns Ben of the dangers of unlocking Shock Rock (and nearly falling under the effects of being attacked by said alien). While he escapes, he asks Ben for the Omnitrix once again in The 11th Alien: Part 2 though it's revealed that Vilgax had faked Shock Rock's rampage with help from the Weatherheads, whom Ben is able to convince that Vilgax will cheat out of conquering Earth, causing yet another villain-against-villain confrontation. Vilgax ultimately is blasted away along with the combined Weatherheads after Shock Rock unleashes a devastating electric attack.

Vilgax reappears in Drone On, when he made some drones in an abandoned car factory to get some power rods for his new spaceship and had them attack the Tennysons. Gwen used a wing glider to attack Vilgax's drones that were after them, with Ben transforming into Omni-Enhanced Heatblast to join in the fight but eventually timed out and was saved from falling by Gwen. Ben then used Grey Matter to hack one of the drones to continue fighting. Ben and Gwen found the abandoned car factory, where Vilgax's new ship had been completed. Since his drones were no longer needed, the drones self-destructed with Vilgax's new ship going up into space.

Vilgax reappears in Super-Villain Team-Up, where he teams up with Zombozo so they could use the DNA extractor to extract the aliens out of the Omnitrix and control them with the help of Zombozo's mind control technology. After capturing Stinkfly, Zombozo getting him into the DNA extracter but accidentally presses the Omnitrix dial, causing Ben to transform into Omni-Enhanced Four Arms. Elsewhere, Grandpa Max and Gwen destroy Zombozo's hypnotism machine. During the fight, Ben timed out and Vilgax aimed a powerful laser at him, which nearly destroyed the ship and put it on manual override. Team Tennyson escaped using Gwen's thinking and Omni-Enhanced Diamondhead's powers, and Zombozo was thrown overboard.

Vilgax made his next appearance in Innervasion Part 1: Message in a Boxcar, when he created a nearly indestructible warbot to take the Omnitrix before it was too late. He was found in the Warbot attacking Ben and Gwen, who proceed to capture Vilgax in an energy cage created by Shock Rock. He again attempts to warn Ben about the dangers of said alien, the High Override, and the Fulmini.

Vilgax is seen in the rest of the Innervasion special, and helps Ben and Glitch repair the Omnitrix. Despite Vilgax's strength and evasion skills, he is banished into the Null Void by High Override following a failed attempt to betray the boys and commandeer the Omnitrix for himself.

Vilgax remained imprisoned in the Null Void from Innervasion Part 4: Mind Over Alien Matter until Season 4.[DR 1]

Vilgax returns in Ben 10 Versus the Universe: The Movie as the primary antagonist.

Powers and Abilities

Vilgax is strong enough to lift a Cascan with relative ease.[2]

Similar to Gax, Vilgax's arms can change into tentacles that can grab his opponents. They also allow him to run quickly and swing great distances.

Vilgax has great knowledge on alien species and their home planets.


Vilgax is highly durable, but he is limited to how much damage he can take. He survived drowning in lava, but returned with burn marks.

Vilgax's skin is vulnerable to lava and the Omni-Enhanced energy that Fulmini create.

Vilgax is vulnerable to the telekinetic abilities of High Override.[3]

Vilgax is often defeated by the element of surprise.


Ben 10

Season 1

Season 2

Season 4

  • TBA

Season 5


  • Vilgax's giant form seems to be similar to Alien X from the Classic Continuity except for the eyes, outline of his body, and white "stars" being red and his body resembling Vilgax's regular form. This occurring in Season 5 is also in line with Duncan Rouleau describing the season as "Celestial".[DR 2]


Crew Statements

Duncan Rouleau

Start a Discussion Discussions about Vilgax (Reboot)

  • How vilgax survived in The 11th alien

    2 messages
    • I mean how the JUNK did vilgax survive shock rocks energy blast at the end?! How was that possible?! Maybe since I think vilgax is sorta h...
    • This is Vilgax we're talking about. Dude survived a nuclear explosion and being blown up in his ship in the original. Being blasted off b...
  • Vilgax Returns in Season 4

    • A couple weeks ago [ Duncan Rouleau] has made this statem...
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