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This is a list of characters in the universe ofCartoon Network'sBen 10 franchise.[1][2]
- This table shows the recurring characters and the actors who have portrayed them throughout the franchise.
- A dark grey cell indicates the character was not in the series or film, or that the character's presence in the series or film has not yet been announced.
- AY indicates an appearance as a younger version of a pre-existing character.
- AC indicates acameo appearance.
- AP indicates an appearance in onscreen photographs only.
- AD indicates an appearance in deleted scenes only.
- AM indicates a motion-capture role.
- AU indicates an uncredited role.
| Characters | Ben 10 (2005) | Ben 10: Alien Force | Ben 10: Ultimate Alien | Ben 10: Omniverse | Ben 10 (2016) |
|---|---|---|---|---|---|
| 2005–2008 | 2008–2010 | 2010–2012 | 2012–2014 | 2016–2021 | |
| Team Tennyson | |||||
| Benjamin Kirby "Ben" Tennyson Ben 10 | Tara Strong | Yuri Lowenthal | Yuri Lowenthal | Tara Strong | |
| Tara StrongYC | Tara StrongY | Yuri LowenthalC | |||
| Gwendolyn "Gwen" Tennyson Lucky Girl | Meagan Smith | Ashley Johnson | Ashley Johnson | Montserrat Hernandez | |
| Magister Maxwell "Max" Tennyson Grandpa Max | Paul Eiding | Paul Eiding | David Kaye | ||
| Kevin Ethan Levin Kevin 11 | Michael Reisz | Greg Cipes | Greg Cipes | ||
| Charlie Schlatter | |||||
| Rook Blonko | Bumper Robinson | ||||
- This table shows the recurring characters and the actors who have portrayed them throughout the franchise.
- A dark grey cell indicates the character was not in the series or film, or that the character's presence in the series or film has not yet been announced.
- AY indicates an appearance as a younger version of a pre-existing character.
- AC indicates acameo appearance.
- AP indicates an appearance in onscreen photographs only.
- AD indicates an appearance in deleted scenes only.
- AM indicates a motion-capture role.
- AU indicates an uncredited role.
Voiced by:
Portrayed by:
Benjamin Kirby “Ben” Tennyson is titular character and the main protagonist of the franchise. At the start ofBen 10, he is a 10-year-old boy[note 1] from Bellwood who, during his summer vacation, discovers the Omnitrix, a prototype device that attaches to his wrist and allows him to transform into various aliens. He uses the Omnitrix to become a superhero while traveling across the USA. After the Omnitrix is destroyed at the end ofAlien Force, Ben retrieves the Ultimatrix from Albedo and uses it as a replacement before Azmuth gives him the official Omnitrix.
Voiced by:
Portrayed by:
Gwen Tennyson is Ben's paternal cousin. She is skilled in martial arts and possesses innate magical abilities due to her Anodite heritage.[3]
Voiced by:
Portrayed by:
Max Tennyson is Ben and Gwen's paternal grandfather. He is 60 years old in the original series, 65 inAlien Force and the reboot, 66 inUltimate Alien andOmniverse, 80 inBen 10,000 and 92 inKen 10.[note 2] Despite his age, he is shown to be a capable fighter, and after Ben finds the Omnitrix, supports him any way he can. Max was once a candidate for theApollo 11 mission and one of the leaders, or "Magisters", of the Plumber organization, but Ben and Gwen did not know of this at first, believing him to have been a literal plumber.
Kevin Levin (voiced byMichael Reisz in the original series episode "Kevin 11",Charlie Schlatter in later episodes of the original series, andGreg Cipes in subsequent series; portrayed byNathan Keyes inAlien Swarm) is a mutant human who can absorb matter, energy, and DNA and initially appears in the original series as an 11-year-old[note 3] boy and one of Ben's enemies. However, he later reforms and becomes Ben's best friend and Gwen's love interest.[4]
In the reboot series, He lacks osmosian powers and instead wields the Antitrix, a duplicate of the Omnitrix that Vilgax helped him build. The Antitrix aliens are corrupted versions of the Omnitrix aliens who are spliced with DNA of other unidentified species.
Rook Blonko (voiced byBumper Robinson) is a Revonnahgander Plumber who Max assigns to work with Ben after Gwen and Kevin leave Bellwood for college. Rook is a top Plumber Academy graduate and skilled fighter who wields the Proto-tool, a shapeshifting weapon that can transform into various tools.[5]
The Plumbers are an intergalactic police force. While some work on Earth, most work in different parts of the universe.
Among the known Plumbers are:
This group is composed of the children of Plumbers, most of whom are superpowered alien-human hybrids.
Cooper (voiced byCathy Cavadini in the original series, Corey Padnos inAlien Force,Chris Pratt inUltimate Alien,Eric Bauza in Omniverse) is a mutant human who can manipulate machines.
Alan Albright (voiced byZeno Robinson inAlien Force andUltimate Alien,Bumper Robinson inOmniverse) is a Pyronite hybrid who can return to his human form at will, unlike the other Plumbers' Helpers.
Helen Wheels (voiced byJuliet Landau) is a Kineceleran hybrid and friend of Manny. The two formerly hunted aliens before realizing their wrongs and reforming.
Manny Armstrong (voiced byKhary Payton) is a Tetramand hybrid and friend of Helen. The two formerly hunted aliens before realizing their wrongs and reforming.
Pierce Wheels (voiced byAdam Wylie) is a hybrid of Argit's species and Helen's adoptive brother. InUltimate Alien, he is killed during the Forever Knights' purge of aliens on Earth.
Lucy Mann (voiced by Tara Strong) is a Lenopan, a slimy shapeshifting alien and Ben's cousin-in-law.
Julie Yamamoto (voiced byVyvan Pham) is an Asian-American tennis player and one of Ben's love interests. She is commonly accompanied byShip (also voiced by Pham), a dog-like Galvanic Mechamorph who can transform into a powered armor suit.
Kai Green (voiced byBettina Bush) is a Native American and one of Ben's love interest. She is the granddaughter of Wes Green, who was an old friend of Max Tennyson and a former Plumber.
Azmuth (voiced byRobert David Hall in the original series,Jeff Bennett inAlien Force andUltimate Alien,René Auberjonois inOmniverse,David Kaye in the reboot) is a Galvan and the creator of the Omnitrix. Furthermore, Galvan scientists under Azmuth's leadership accidentally created the Galvanic Mechamorphs during an experiment.
Professor Paradox (voiced byDavid McCallum) is a scientist who was displaced from time following a portal accident and developed the ability to manipulate time. Paradox uses the Chrononavigator to traverse space and time, which initially appears in the series as apocket watch.[6]
J. Jonah "Jimmy" Jones (voiced byScott Menville) is a fan of Ben who exposed his secret identity to the world inUltimate Alien. He is named in reference to the Marvel Comics characterJ. Jonah Jameson.[7]
Aggregor's prisoners (also called the Andromeda Five) are a group of aliens from theAndromeda Galaxy who Aggregor captured to absorb their powers and claim the Map of Infinity. They consist of the Orishan Bivalvan, the Prypiatosian-B P'andor, the Talpaedan Andreas, and the Amperi Ra'ad (all voiced byDee Bradley Baker), and the Geochelone Aerio Galapagus (voiced byJohn DiMaggio).
Sir George (voiced byPeter Renaday) is an immortal knight who founded the Forever Knights to combat Dagon. InUltimate Alien, he reunites the Knights to achieve this goal, but is killed after Dagon removes his immortality.
Glitch (voiced byTara Strong) is a character originating from the reboot continuity and a human-Galvanic Mechamorph hybrid who was created after Ben used Upgrade to enhance the Omnitrix. He is initially trapped in the Omnitrix before Ben frees him in the episode "Innervasion". Vilgax kills Glitch inBen 10 Versus the Universe: The Movie, though Phil promises to recover his remains and resurrect him. In a potential future depicted in the episode "Ben 10,010", Glitch is converted into a drone-like form dubbedHitch.
Ken Tennyson (voiced byTara Strong in the original series,Scott Menville inOmniverse) is Ben's future son. He initially wields a duplicate of the Omnitrix before he is grounded and has it taken away. Afterward, Ken obtains time-traveling technology from Professor Paradox and becomesChrono Spanner.
Ben 23 (voiced byTara Strong) is an alternate universe variant of Ben from Dimension 23 who became a misguided celebrity due to his version of Max dying early. He initially believes all aliens to be evil before the prime Ben convinces him otherwise. Additionally, his alien transformations are predominantly blue rather than green and have different names than the prime Ben.
Ben 10,000 (voiced byFred Tatasciore in the original series and reboot, Sean Donnellan inUltimate Alien,Judd Nelson inOmniverse) is the name of several alternate future versions of Ben. TheUltimate Alien version of Ben 10,000 can use alien powers without transforming, while theOmniverse Ben 10,000 wields the Biomnitrix, a pair of Omnitrices that can transform him into alien hybrids.[8]
Gwen 10 (voiced by Meagan Smith in the original series,Ashley Johnson inOmniverse) is an alternate universe variant of Gwen who found the Omnitrix instead of Ben.
Cash and JT are Ben's old bullies from school. Cash is voiced byDee Bradley Baker in the original series, Matt Levin inAlien Force andUltimate Alien, andRoger Craig Smith in the reboot, and portrayed byTyler Patrick Jones inRace Against Time. JT is voiced byAdam Wylie in the original series,Scott Menville inAlien Force andUltimate Alien, andMax Mittelman in the reboot, and portrayed by Tyler Foden inRace Against Time.
Lt. Steel (voiced byMichael Gough in the original series,Yuri Lowenthal inOmniverse) is the leader of SECT, atask force that deals with alien criminals.
Tetrax Shard (voiced byErnie Sabella in the 1993 series of the same name) is a Petrosapien and former mercenary. He inadvertently helped Vilgax destroy Petropia, causing him immense guilt until the planet is restored in the Alien Force episode "The Secret of Chromastone".
In the reboot, Tetrax is unaffiliated with Vilgax. He initially works with Kraab and SixSix before separating from them, with Kraab ripping off his left arm in a later fight.
Xylene (voiced byGrey DeLisle) is an Uxorite and friend of Max who sent the Omnitrix to Earth.
The Galactic Enforcers are a group of alien heroes. They consist of theSuperman-like Ultimos (voiced byTom Kane in the original series andJeff Bennett inAlien Force), Synaptak (voiced byGreg Ellis), a psychic squid; and Tini (voiced byVanessa Marshall in the original series andJuliet Landau inAlien Force), a Tetramand.
Myaxx (voiced by Vanessa Marshall in the original series,Vyvan Pham inAlien Force) is a Chimera Sui Generis and Azmuth's former assistant.
Carl Tennyson (voiced byDee Bradley Baker in the original series,Don McManus inAlien Force andRace Against Time,Yuri Lowenthal inUltimate Alien) and Sandra Tennyson (voiced byTara Strong in the original series,Vyvan Pham andBeth Littleford inAlien Force, and Littleford alone in subsequent series) are Ben's parents. InAlien Force, Carl and Sandra punished Ben for using the Omnitrix until that they found out that Ben is trying to protect the world. InUltimate Alien, Sandra is quite fit as she has been seen exercising with a fitness ball while Carl has gone out to pick up a new grow lamp.
Baz-El (voiced byRob Paulsen) is a Galvanic Mechamorph and Ship's father.
Verdona (voiced byJuliet Landau in her Anodite form,Barbara Bain in her human form) is Ben and Gwen's Anodite grandmother.
Frank Tennyson (voiced byGeorge Newbern) is Gwen's father.
Natalie Tennyson (voiced byJuliet Landau) is Gwen's mother.
Reinrassig III (voiced byRichard McGonagle) is a Highbreed officer who later becomes the leader of the Highbreed. Ben gives Reinrassig a Methanosian arm after he loses it on the planet Turrawuste, causing him to be unaffected by Ben rewriting the genetic code of the other Highbreed.
Elena Valadis (portrayed byAlyssa Diaz inAlien Swarm, voiced byTia Texada inUltimate Alien) is Victor Valadis' daughter, who becomes the queen of the Microchips after they possess her.
Victor Valadis (portrayed byHerbert Sigüenza inAlien Swarm, voiced byBrian George inUltimate Alien) is a former Plumber and Elena's father.
Colonel Rozum (voiced byJohn DiMaggio) is anAir Force officer and a colleague of Max Tennyson.
The Unitrix (voiced byMolly C. Quinn) is a prototype version of the Omnitrix that can replicate animal abilities. It obtains a humanoid form dubbed Eunice after absorbing Gwen's DNA.
Ignacius Baumann (voiced byRichard Doyle inUltimate Alien,Corey Burton inOmniverse) is a storekeeper who sells alien provisions. He is the subject of a running gag where Ben accidentally destroys his businesses. In theOmniverse episode "The Ballad of Mr. Baumann", Baumann marries Sheelane, a mermaid-like alien.
Zed (vocal effects provided byPaul Eiding) is an Anubian Baskurr and Khyber's former hunting dog, who Kevin adopts after Khyber abandons her. She formerly wielded the Nemetrix, an Omnitrix-like device that enabled her to transform into various predatory species. In the fourth season ofOmniverse, Albedo upgrades the Nemetrix with an evolutionary feature similar to the Ultimatrix.
Pakmar (voiced byTara Strong) is an alien shopkeeper who resides in Undertown. He is the subject of a running gag where Ben accidentally destroys his businesses.
Blarney Hokestar (voiced byCharlie Adler) is an alien con artist and smoothie seller.
Pax (voiced byEric Bauza) is a Florauna animal lover and alien rights activist.
The Kraaho are hot-bloodedtungsten-based aliens who thrive in warm temperatures.
Seebik (voiced byCorey Burton) is a thief and the former leader of the Kraaho.
Ester (voiced byTara Platt) is the current leader of the Kraaho and one of Ben's love interests.
Hobble (voiced bySteve Blum) is an insect-like alien and a member of the Plumbers' Alpha Squad.
Rad Dudesman (voiced byCarlos Alazraqui) is a duck-like alien mercenary.
Pyxi (voiced by Carlos Alazraqui) is Rad's AI assistant.
Scout (voiced by Carlos Alazraqui) is a Loboan Plumber stationed in the Anur System.
Skurd (voiced byDavid Kaye) is a Slime-biot, a squid-like alien who can manipulate DNA. He assists Ben before leaving him to return to his creators, the Contumelia.
Heatblast (voiced bySteve Blum in the original series,David Franklin inRace Against Time,Dee Bradley Baker inUltimate Alien,David Kaye inOmniverse,Daryl Sabara in the reboot) is a Pyronite, a fiery rock-based alien from the planet Pyros. He can generate and manipulate fire and fly by levitating rock.
WIldmutt (voiced byDee Bradley Baker) is a Vulpimancer, a dog-like alien from the planet Vulpin. He is blind and incapable of speech, but has enhanced senses, including smell and hearing. Ultimate Wildmutt (also voiced by Baker) is red and capable of speech.
Diamondhead (voiced byJim Ward in the original series,Daran Norris inRace Against Time,Dee Bradley Baker inAlien Force andUltimate Alien,Eric Bauza inOmniverse,Roger Craig Smith in the reboot) is a Petrosapien, a humanoid silicon-based alien from the planet Petropia. He has a crystal-based body that enables him to generate crystals and transform his limbs into various weapons.
XLR8 (voiced byJim Ward in the original series,Yuri Lowenthal inOmniverse,Josh Keaton in the reboot) is a Kineceleran, a raptor-like alien from the planet Kinet. He can move at superhuman speeds by lowering his own friction and create vortexes by running in circles.
Grey Matter (voiced byRichard Steven Horvitz in the original series,Carlos Alazraqui inRace Against Time,Eric Bauza inOmniverse,Todd Haberkorn in the reboot) is a Galvan, a frog-like alien from the planet Galvan Prime. He is small and physically weak, but has enhanced intelligence that makes him skilled with machines.
Four Arms (voiced byRichard McGonagle in the original series,Dee Bradley Baker inUltimate Alien,John DiMaggio inOmniverse and the reboot) is a Tetramand, a red four-armed alien from the planet Khoros. He has immense strength and can create shockwaves by clapping his hands.
Stinkfly (voiced byDee Bradley Baker in the classic continuity,Greg Cipes in the reboot) is a Lepidopterran, an insect-like alien from the planet Lepidopterra. He can fly at high speeds and generate adhesive slime with various properties. In the reboot, Stinkfly is redesigned to resemble a humanoid dragonfly.
Ripjaws (voiced byFred Tatasciore in the original series,Eric Bauza inOmniverse) is a Pisciss Volann, a fish-like alien from the water planet Pisciss. He can swim at high speeds and possesses a powerful bite, but is incapable of surviving outside water.
Upgrade (voiced byTara Strong in the original series,Yuri Lowenthal inHeroes United andOmniverse,David Sobolov in the reboot) is a Galvanic Mechamorph, a humanoid mechanical alien from the moon Galvan B. His body is made of nanites that enable him to reshape his body and possess technology.
Ghostfreak (voiced bySteve Blum in the original series andOmniverse,Jeff Bennett inAlien Force andUltimate Alien) is an Ectonurite, a ghost-like alien from the planet Anur Phaetos. He has various abilities, including invisibility, intangibility, and possession. An Ectonurite's consciousness can exist even in a few strands of DNA, leading to the unique situation of a consciousness being trapped inside the Omnitrix.
Cannonbolt (voiced byFred Tatasciore in the original series,Dee Bradley Baker inAlien Force andUltimate Alien,David Kaye inOmniverse,Travis Willingham in the reboot) is an Arburian Pelarota, a pillbug-like alien from the destroyed planet Arburia. He can roll into a ball, making him nigh-invulnerable and enabling him to bounce at high speeds. Ultimate Cannonbolt (also voiced by Baker inUltimate Alien) has a gray shell covered in spikes that he can shoot as projectiles.
Wildvine (voiced byJim Ward in the original series,Dee Bradley Baker inOmniverse,David Hornsby in the reboot) is a Florauna, a humanoid plant-based alien from the planet Flors Verdance. He has an elastic body and can generate and manipulate plants.
Spitter (voiced byDee Bradley Baker) is a Sphoeroid, a pufferfish-like alien from the planet Scalpasc. He can generate massive amounts of slime from his mouth.
Buzzshock (voiced byTara Strong in the original series and reboot,Eric Bauza inOmniverse) is a Nosedeenian, a battery-like alien from the Nosideen Quasar. He can generate and manipulate electricity, enabling him to transform into energy and possess machines.
Arctiguana (voiced byTom Kane in the original series,Eric Bauza inOmniverse) is a Polar Manzardill, a lizard-like alien from the planet X'Nelli. He can generate ice and fly by using it as propulsion. Arctiguana's Ultimate form (also voiced by Bauza inOmniverse), used by Albedo, is larger and possesses shoulder-mounted ice cannons.
Blitzwolfer (voiced byTara Strong in the original series,Kevin Michael Richardson inOmniverse) is a Loboan, awerewolf-like alien from the moon Luna Lobo. He has enhanced physical abilities and can generate sonic howls by splitting his jaw.
Snare-oh (voiced byRichard Green in the original series,Kevin Michael Richardson inOmniverse) is a Thep Khufan, amummy-like alien from the planet Anur Khufos. His body is made of elastic bandages, enabling him to stretch and disassemble his body at will.
Frankenstrike (voiced byMichael Dorn in the original series,David Kaye inOmniverse) is a Transylian, aFrankenstein monster-like alien from the planet Anur Transyl. He can generate electricity and control machinery via the plugs on his shoulders.
Upchuck (voiced byDave Wittenberg in the original series,Dee Bradley Baker inAlien Force andUltimate Alien,Eric Bauza inOmniverse) is a Gourmand, a reptilian alien from the planet Peptos XII. He has multiple prehensile tongues that enable him to ingest most forms of matter and expel it as energy projectiles.
Ditto (voiced byRob Paulsen) is a Splixson, a mole-like alien from the planet Hathor. He is highly agile and can duplicate himself viabinary fission.
Eye Guy (voiced byDee Bradley Baker in the original series,Paul Eiding inOmniverse) is an Opticoid, a humanoid boneless alien from the planet Sightra. He has numerous eyes across his body from which he can project elemental beams.
Way Big (voiced byFred Tatasciore in the original series,Dee Bradley Baker inAlien Force andUltimate Alien,Eric Bauza inOmniverse,Roger Craig Smith in the reboot) is a To'kustar, a colossal humanoid alien that has no home planet and is born in cosmic storms. He has immense strength and can generate cosmic energy beams. His Ultimate form (also voiced by Baker inUltimate Alien) has increased size and a red and blue color scheme, often regarded as an homage toUltraman.
Eon (portrayed byChristien Anholt) is a Chronian, a humanoid alien from the planet Chronia. Eon forces Ben to transform into a Chronian to power the Hands of Armageddon.
Swampfire (voiced byDee Bradley Baker) is a Methanosian, a plant-like humanoid from the planet Methanos. He can generate fire and manipulate plants. InOmniverse, Swampfire undergoes a puberty-like process, gaining enhanced abilities and a red and yellow color scheme.
Ultimate Swampfire (also voiced by Baker) resembles a tree and has bluenapalm-like sacs across his body.
Echo Echo (voiced byDee Bradley Baker) is a Sonorosian, a robot-like alien from the planet Sonorosia. He can duplicate himself and manipulate sound. His Ultimate form (also voiced by Baker) has the ability to fly and wields sonic discs that amplify his sound blasts, however is unable to duplicate.
Humungousaur (voiced byDee Bradley Baker inAlien Force andUltimate Alien,John DiMaggio inOmniverse,David Kaye in the reboot) is a Vaxasaurian, a dinosaur-like alien from the planet Terradino. He has immense size and strength and can grow further, up to a maximum of 60 feet. Ultimate Humungousaur (voiced by Baker inAlien Force andUltimate Alien and DiMaggio inOmniverse) is green, has a spiked shell, and can shoot bony bullets from his hands.
Jetray (voiced byDee Bradley Baker) is an Aerophibian, amanta ray-like alien from the planet Aeropela. He can fly at faster-than-light speeds and generate energy beams known as "neuroshocks".
Big Chill (voiced byDee Bradley Baker) is a Necrofriggian, a moth-like alien from the planet Kylmyys. He can fly, generate ice, and become intangible. His Ultimate form (also voiced by Baker) is red and can generate plasma beams.
Chromastone (voiced byDee Bradley Baker inAlien Force,Ultimate Alien, and the reboot,Eric Bauza inOmniverse) is a Crystalsapien, a humanoid crystal-based alien from the planet Petropia. Crystalsapiens are a unique species with only one member, Sugilite, who protects Petropia. Chromastone can manipulate and redirect energy as rainbow blasts.
Brainstorm (voiced byDee Bradley Baker inAlien Force andUltimate Alien,Corey Burton inOmniverse) is a Cerebrocrustacean, a crab-like alien from the planet Encephalonus IV. He is highly intelligent and can generate electricity, enabling him to levitate himself and others.
Spidermonkey (voiced byDee Bradley Baker) is an Arachnichimp, an alien from the planet Aranhascimmia who resembles a monkey with multiple arms and eyes. He is highly agile and can generate large amounts of webbing. Ultimate Spidermonkey (voiced by Baker inUltimate Alien andPaul Eiding inOmniverse) resembles a large purple gorilla with spider legs and can generate webs from his mouth.
Goop (voiced byDee Bradley Baker) is a Viscosian, a humanoid slime-based alien from an unidentified planet. He has a malleable, slime-like body with shapeshifting capabilities and can generate acid. Goop uses his Anti-Gravity Projector to be fully mobile on planets that have gravity.
Alien X (voiced byYuri Lowenthal in the classic continuity,Fred Tatasciore in the reboot) is a Celestialsapien, a humanoid alien from the Forge of Creation, a region outside the universe. Alien X has vast reality-warping abilities coupled with two split personalities:Bellicus (voiced byKevin Conroy inAlien Force,Jeff Bennett inAlien Force: Vilgax Attacks andUltimate Alien, andEric Bauza inOmniverse) andSerena (voiced byVicki Lewis inAlien Force,Tara Strong inUltimate Alien, andKimberly Brooks inOmniverse), who prevent him from acting until Ben convinces them to. Theoretically, Alien X possesses limitless power, as any thought Alien X conceives can be transformed into reality if all split personalities agree. Alien X is widely considered as the most powerful transformation within the Omnitrix.
Lodestar (voiced byDee Bradley Baker) is a Biotsavartian, a humanoid metallic alien from the planet Maxwell. He can manipulate magnetism, enabling him to levitate objects and fly by magnetizing himself.
Rath (voiced byJohn DiMaggio in the classic continuity,Dee Bradley Baker in the reboot, andBill Rogers in the video gameBen 10: Power Trip) is an Appoplexian, a tiger-like alien from the planet Appoplexia. He has immense strength and durability coupled with uncontrollable aggression. Ultimate Rath (also voiced by DiMaggio inOmniverse), used by Albedo, is larger and inspired by Marvel Comics characterKraven the Hunter.
Nanomech (voiced byAlex Winter inAlien Swarm,Dee Bradley Baker inUltimate Alien andOmniverse) is a Microchip that was uniquely created by the Omnitrix. Unlike other Microchips, he has a humanoid, insect-like body due to being half-human and half-microchip. Nanomech can shrink to microscopic sizes and generate energy blasts from his eyes and hands.
Waterhazard (voiced byDee Bradley Baker) is an Orishan, a mollusc-like alien from the planet Kiusana. He can manipulate pre-existing water, expel it as pressurized blasts, and fly by using water as propulsion.
Ampfibian (voiced byDee Bradley Baker inUltimate Alien and the reboot,Yuri Lowenthal inOmniverse) is an Amperi, a jellyfish-like alien from the planet Tesslos. He has various abilities, including electrokinesis, intangibility, and telepathy.
Armodrillo (voiced byDee Bradley Baker inUltimate Alien,John DiMaggio inOmniverse) is a Talpaedan, an armadillo-like alien from the planet Poiana Lüncas. He has drill-like arms that enable him to drill at high speeds and create shockwaves.
Terraspin (voiced byDee Bradley Baker inUltimate Alien,Bumper Robinson inOmniverse) is a Geochelone Aerios, a turtle-like alien from the planet Aldabra. He can generate powerful gusts of wind and fly by retracting his limbs and assuming a helicopter-like stance.
NRG (voiced byDee Bradley Baker) is a Prypiatosian-B, an energy-based alien from the planet Prypiatos. He is highly radioactive and wears a containment suit to prevent his passive radiation from harming others. When NRG is outside of his containment suit his radioactive energy blasts and attacks are much more powerful and is able to fly.
Fasttrack (voiced byDee Bradley Baker) is a Citrakayah, a cat-like alien from the planet Chalybeas. He can move at superhuman speeds, similar to XLR8.
Chamalien (voiced byDee Bradley Baker) is a Merlinisapien, a chameleon-like alien from an unidentified planet. He is highly agile and can become invisible.
Eatle (voiced byDee Bradley Baker inUltimate Alien,Eric Bauza inOmniverse) is an Oryctini, a beetle-like alien from the planet Coleop Terra. Similar to Upchuck, Eatle is able to ingest all sorts of different material and converts that into energy beams.
Clockwork (voiced byDee Bradley Baker) is a Chronosapien, a robotic alien from an unidentified planet. He can manipulate time, enabling him to rapidly age others and view the past. Furthermore, Clockwork has the ability to slow down time around him while still being able to move at a regular speed, making it appear to others as though he is moving extremely rapid.
Juryrigg (voiced byDee Bradley Baker inUltimate Alien,Bumper Robinson inOmniverse) is a Planchaküle, a gremlin-like alien from the planet Aul-Turrhen. He has innate engineering abilities and can disassemble and reassemble machinery into new forms.
Shocksquatch (voiced byDavid Kaye) is a Gimlinopithecus, a yeti-like alien from the planet Pattersonea. He can generate and manipulate electricity, enabling him to shield himself from radiation.
Feedback (voiced byYuri Lowenthal) is a Conductoid, a black humanoid alien from the Teslavorr Nebula. He has plug-like fingers and long antennae that enable him to absorb and redirect energy.
Bloxx (voiced byBumper Robinson inOmniverse,David Kaye in the reboot) is a Segmentasapien, a primate-like alien from the planet Polyominus. He has an elastic body made ofLego-like bricks that can form various constructs and be shot as projeciles.
Gravattack (voiced byDavid Kaye) is a Galilean, a planet-like alien from the planet Keplorr. He can fly and manipulate gravity, enabling him to levitate himself and others. Ultimate Gravattack (also voiced by Kaye), used by Albedo, has three smaller planetoids orbiting him and lacks legs.
Crashhopper (voiced byDee Bradley Baker) is an Orthopterran, a grasshopper-like alien from an unidentified planet. He has powerful legs that enable him to jump far and create shockwaves upon landing.
Ball Weevil (voiced byBumper Robinson) is an Insectoid, an insect-like alien from the planet Atrocious 0. He can generate adhesive balls of slime that can absorb matter and grow in size.
Walkatrout (voiced byYuri Lowenthal) is an Ickthyperambuloid, a fish-like alien from the planet Gilli-Perambulous Promenade. He is physically weak, with his only power being slippery skin that makes him agile and difficult to grab.
Pesky Dust (voiced byTara Strong) is a Nemuina, a fairy-like alien from the planet Nemuinos IV. He can fly and generate dust that enables him to put others to sleep and manipulate their dreams.
Mole-Stache (voiced byDavid Kaye) is an unidentified mole-like alien from an unidentified planet. He has a prehensile mustache that can act as fists and enables him to fly by spinning like a helicopter.
The Worst (voiced byDee Bradley Baker) is an Atrocian, a rotund alien from the planet Atrocian. He is highly durable and virtually indestructible, but is not immune to pain.
Kickin Hawk (voiced byYuri Lowenthal) is an unidentified bird-like alien from an unidentified planet. He is highly skilled in hand-to-hand combat and has sharp blades on his elbows.
Toepick (voiced byEric Bauza) is an unidentified ogre-like alien from an unidentified planet. He has a terrifying face that can incapacitate others, which is usually covered by a cage-like helmet.
Astrodactyl (voiced byDee Bradley Baker) is an unidentifiedPterosaur-like alien from an unidentified planet. He is able to fly at high speeds and can generate and manipulate stellar energy.
Bullfrag (voiced byJohn DiMaggio) is an Incursean, a frog-like alien from an unidentified destroyed planet. He is highly agile and has a prehensile tongue. Bullfrag is extremely sensitive to strong odors.
Atomix (voiced byJohn DiMaggio) is an unidentified robotic alien from an unidentified planet. He has immense strength and can generate radiation.
Gutrot (voiced byRob Paulsen) is an unidentified robotic alien from an unidentified planet. He has a large, transparent stomach that enables him to create various forms of gas.
Whampire (voiced byJohn DiMaggio) is a Vladat, a vampire-like alien from the planet Anur Vladias. He can drain life force and hypnotize others using bat-like parasites called Corrupturas.
Overflow (voiced byMax Mittelman) is a Cascan, a water-based alien from the planet Cascareau. He has a similar appearance and powers to Waterhazard.
Gax (voiced byYuri Lowenthal) is a Chimera Sui Generis, a squid-like alien of the same species as Vilgax. Ben loses access to Gax after Vilgax steals his DNA to regain his full strength.
Shock Rock (voiced byDavid Kaye) is a Fulmini, an energy-based alien from the destroyed planet Fulmas. He can generate and manipulate electricity. Furthermore, Shock Rock's presence in the Omnitrix influences the other Omnitrix aliens and gives them additional electricity-based abilities similar to his.
Slapback (voiced byTodd Haberkorn) is an Ekoplektoid, a frog-like alien from the planet Ekoplekton. He can duplicate when struck on the back, with clones progressively gaining increases strength and density.
Surge (voiced byFred Tatasciore) is a Xerge, a robotic X-shaped alien from an unidentified planet. He is powerless on his own, but can link with other Xerge to create constructs.
Vilgax (voiced bySteve Blum in the original series andOmniverse,James Remar inAlien Force andUltimate Alien,Yuri Lowenthal in the reboot) is a Chimera Sui Generis warlord and Ben's archenemy.
Doctor Aloysius James Animo (voiced byDwight Schultz) is the first human antagonist Ben faces in the series. Animo was once a promising researcher in veterinary scientist until his career was cut short when he was caught creating twisted genetic experiments. He thought that the experiment would earn him the Verities Award only to lose it to a scientist named Kelly. This drove him mad, causing him to disappear for five years until he could perfect his research.
SixSix (voiced byDee Bradley Baker in the original series,Josh Keaton in the reboot) is a Sotoraggian bounty hunter and SevenSeven's brother.
Kraab (voiced byBilly West in the original series,Jeff Bennett inAlien Force,Dee Bradley Baker inOmniverse,Travis Willingham in the reboot) is a Piscciss Premann cyborg and bounty hunter.
Rojo (voiced byJennifer Hale in the original series andOmniverse,Kari Wahlgren inUltimate Alien) is a thief and gang leader. In the original series, she temporarily fuses with one of Vilgax's drones, giving her claws and shoulder-mounted lasers.
Herbert J. Zomboni or Zombozo (voiced byJohn Kassir in the original series,John DiMaggio in subsequent appearances) is a zombie-like clown who feeds on fear.
The Circus Freak Trio are a trio who worked together under the guise offreak show performers in Zombozo's circus before his disappearance.
Acid Breath (voiced byDee Bradley Baker in the classic continuity,Josh Keaton in the reboot) is a member of the Circus Freaks who can generate acid.
Frightwig (voiced byCree Summer in the classic continuity,Jessica DiCicco in the reboot) is a member of the Circus Freaks who has prehensile, tentacle-like hair.
Thumbskull (voiced byJeff Doucette in the original series,David Kaye in Omniverse,John DiMaggio in the reboot) is a member of the Circus Freaks who has superhuman strength and a nail-like horn.
Hex (voiced byKhary Payton in the classic continuity,Robin Atkin Downes in the reboot) is a sorcerer from Ledgerdomain and Charmcaster's uncle. InOmniverse, he reforms and becomes a professor at Friedkin University.
Phil Billings (voiced byRobert Patrick in the original series,Rob Paulsen inOmniverse,John DiMaggio in the reboot) is a corrupt former Plumber and partner of Max. In between the events of the original series andOmniverse, Khyber and Dr. Psychobos use Phil as a test subject for the Nemetrix, giving him the ability to transform into a Terroranchula hybrid.
In the reboot, Phil is a benevolent inventor who remains a member of the Plumbers.
The Forever Knights are a secret paramilitary organization dealing with alien encounters and other varying activities. They were founded by Sir George to fight Dagon, but his departure resulted in them splintering into factions, each led by a Forever King. During the events ofUltimate Alien, George reunites the Forever Knights to combat Dagon, during which most of them are killed.
The Forever Knights consist of Enoch (voiced byRichard Doyle), Driscoll (voiced byRichard Doyle), the Red Knight, Connor (voiced byHakeem Kae-Kazim), Joseph Chadwick (voiced primarily byTim Curry and byDavid Kaye in theOmniverse episode "Return to Forever"), Morton (voiced byKevin Michael Richardson), Winston (voiced byPatrick Cavanaugh), Urian (voiced byJim Piddock), and Cyrus (voiced byRobin Atkin Downes).
In the reboot, a lone Forever Knight (voiced byRoger Craig Smith) is featured as a major antagonist.
Clancy (voiced byNicholas Guest) is a mutant human who can control insects. He later mutates further and becomes an insect-like monster.
Vulkanus (voiced byJohn DiMaggio) is a Detrovite criminal. His body was previously destroyed in an explosion, leaving only his head intact and forcing him to wear powered armor until his body regenerated.
Charmcaster (voiced byKari Wahlgren in the classic continuity,Tara Strong in the reboot) is a sorceress from Ledgerdomain and Hex's niece. Her father Spellbinder was previously killed by Addwaitya, forcing her and Hex to flee to Earth.
Zs'Skayr (voiced bySteve Blum in the original series andOmniverse,Jeff Bennett inAlien Force) is the leader of Anur Phaetos and Ghostfreak's genetic donor. His consciousness is initially trapped in the Omnitrix before escaping in the original series episode "Ghostfreaked Out".
The Werewolf is an unnamed Loboan and a servant of Zs'Skayr.
The Mummy is an unnamed Thep Khufan and a servant of Zs'Skayr.
Dr. Viktor (voiced byMichael Dorn) is a Transylian scientist and Zs'Skayr's assistant.
Exo-Skull (voiced byRichard McGonagle in the original series,David Kaye inOmniverse) is a rhinoceros-like mutant created by Dr. Animo. Originally encountered in Ben 10,000's future in the original series, a present-day version of Exo-Skull is later seen inOmniverse as one of Maltruant's minions and the partner of Subdora.
Kane North (voiced byJohn Cygan in the original series,Corey Burton inOmniverse) is the creator of the television seriesKangaroo Kommando and a criminal who wields a suit based on the series' eponymous character.
Eon (portrayed byChristien Anholt inRace Against Time, voiced by Yuri Lowenthal and Sean Donnellan inUltimate Alien,Judd Nelson inOmniverse) is a time-travelling villain and rival of Professor Paradox. He is initially depicted as a Chronian before beingretconned as an alternate universe variant of Ben.
Eon's Servants are the servants of Eon. They are depicted as corrupted humans in the original series andUltimate Alien and as robots inOmniverse.
Atasians, commonly known as the Highbreed, are a xenophobic species from the planet Augstaka who serve as the initial primary antagonists ofAlien Force. They are voiced by various actors, includingDee Bradley Baker,Paul Eiding,Robert David Hall,Richard McGonagle, andKevin Michael Richardson.
The DNAliens are lifeforms infected by Xenocites, alienleeches created by the Highbreed. They are voiced by various actors, includingDee Bradley Baker,Jeff Bennett,Greg Cipes,Diane Delano,Paul Eiding,Will Friedle,Wallace Langham, andRichard McGonagle.
Gorvan (voiced byJohn DiMaggio inAlien Force, Rob Paulsen inOmniverse) is a Tetramand criminal. Gorvan is initially a traitorous Plumber who debuts in atie-in video game toAlien Force, before reappearing as an ally of Psyphon inOmniverse.
Argit (voiced byAlexander Polinsky) is a rat-like alien con man and friend of Kevin. He possesses venomous quills that can paralyze anyone exposed to them. InOmniverse, he reforms and creates a security company.
Michael Morningstar (voiced byWil Wheaton in the classic continuity,Drake Bell in the reboot episode "Bright Lights, Black Hearts",Yuri Lowenthal in the reboot episode "The Charm Offensive"), also known as Darkstar, is a mutant who can absorb life energy from others. He initially masquerades as benevolent before Ben exposes and defeats him, temporarily rendering him drained and zombie-like.
The Incurseans aretoad-like aliens who were forced to become spacefarers after their planet was destroyed during a civil war.
Milleous (voiced byKevin Michael Richardson in the classic continuity,Roger Craig Smith in the reboot) is Attea's father and the former leader of the Incurseans.
Attea (voiced byTara Strong) is an Incursean princess and the daughter of Emperor Milleous, who she later seizes power from.
Raff (voiced byJames Arnold Taylor inAlien Force,Eric Bauza inOmniverse) is a Sylonnoid commander who serves the Incurseans.
SevenSeven (voiced byDee Bradley Baker) is a Sotoraggian bounty hunter and SixSix's brother.
Albedo (voiced byEric Bauza in Galvan form,Yuri Lowenthal in human form) is Ben's evil counterpart and Galvan and Azmuth's former assistant. He wields a copy of the Omnitrix that made his default form an albino clone of Ben.
The Queen (voiced by Wendy Cutler) is the queen of the Nanochips.
Psyphon (voiced byDee Bradley Baker) is an alien and former servant of Vilgax who later becomes an independent criminal.
The R.E.D.s (Robotic Extermination Devices) are red robots who work for Psyphon.
Ssserpent (voiced byDee Bradley Baker) is a snake-like alien criminal.
The Vreedle Brothers are Vreedle bounty hunters and the sons of Ma and Pa Vreedle. They consist of Octagon Vreedle (voiced byJohn DiMaggio) and Rhomboid Vreedle (voiced byRob Paulsen).
Sunder (voiced byPowers Boothe inAlien Force andUltimate Alien,David Kaye inOmniverse) is an alien bounty hunter who wields an axe.
Jarret (voiced byAlexander Polinsky) is the leader of the Pantophage.
Will Harangue (voiced byJohn DiMaggio) is a news anchor (a parody ofJ. K. Simmons'portrayal of J. Jonah Jameson[7]) who believes Ben to be a menace. InOmniverse, he allies with the Incurseans before Ben transforms him into an alien using the Forever Knights' machine.
Aggregor (voiced byJohn DiMaggio) is an Osmosian who sought to obtain godhood by absorbing a baby Celestialsapien. He nearly succeeds, but is defeated by Kevin and imprisoned in the Null Void.
Carl Nesmith (voiced byChristopher McDonald) is a fraud and glory-hound who poses as the superhero Captain Nemesis and stages crimes to make himself look heroic.
Computron (voiced byDee Bradley Baker) is a robotic villain who was imprisoned in Dimension 12.
Xarion (voiced byPeter Stormare) is the king of Zarkovia. He transfers his mind into Dr. Viktor's body inUltimate Alien and is killed inOmniverse when Zs'Skayr destroys his soul.
Addwaitya (voiced byJohn DiMaggio inUltimate Alien,Steve Blum inOmniverse) is a mutant Geochelone Aerios and sorcerer.
Pa Vreedle (voiced byJeff Bennett inUltimate Alien,Steve Blum inOmniverse) is Ma Vreedle's ex-husband and the father of the Vreedle Brothers.
Trumbipulor (voiced byDee Bradley Baker inUltimate Alien,Eric Bauza inOmniverse) is an elephant-like alien criminal.
Dagon (voiced byJohn DiMaggio) is an interdimensional squid-like entity who the Forever Knights were originally created to fight. At the end ofUltimate Alien, Dagon is imprisoned in the Sword of Ascalon and sent into space.
The Lucubra (voiced byDee Bradley Baker) are animalistic servants of Dagon who feed on the thoughts of others.
The Flame Keeper's Circle is a cult that worships Dagon. They consist of Conduit Edwards (voiced byJohn DiMaggio) and the Esoterica, foot soldiers who can teleport between dimensions.
Ma Vreedle (voiced byDiane Delano) is a notorious criminal and the leader of the Vreedles. She is assisted by the Pretty Boy Vreedles, an army of mass-produced children (also voiced by Delano).
Inspector 13 (voiced byDee Bradley Baker) is an illegal weapons dealer and a former Techadon Weaponmaster.
Malware (voiced byCorey Burton) is a mutant Galvanic Mechamorph who was born with an emaciated, yellow appearance and can absorb technology rather than enhance it. Frustrated by Azmuth's refusal to heal him, Malware steals the cure he created and assumes a monstrous red form.
Khyber (voiced byDavid Kaye) is a Zaroffian hunter who battles Ben out of a desire to find worthy prey.
Dr. Psychobos (voiced byEric Bauza) is a cybernetically enhanced Cerebocrustacean who helped Khyber create the Nemetrix.
A group of criminal aliens that reside in Undertown. They are mainly hired by Psyphon for different plans, but also act independently to commit other criminal acts.
Bubble Helmet (voiced byJohn DiMaggio) is a caterpillar-like alien who wields powered armor that enables him to breathe.
Fistina (voiced byMorgan Lofting) is a cybernetically enhanced Acrosian who uses a containment suit as battle armor and can shoot her fists like rockets. Later in the series, she reforms and considers joining the Plumbers.
Liam (voiced byPaul Eiding) is a chicken-like alien of the same species as Kickin' Hawk.
Thunderpig (voiced byEric Bauza) is a pig-like alien who wields an electrified flail. His design and name are a parody ofThunderCats.
Tummyhead (voiced byRob Paulsen) is a two-headed alien who works for Psyphon.
Sweet-Eels Sparklefunk (voiced byKevin Michael Richardson) is a tentacled alien who works for Psyphon.
Bouncer (voiced byBumper Robinson) is an unnamed alien who works for Psyphon.
Bug-Lite (voiced by Bumper Robinson) is an insect-like alien who works for Psyphon.
Fistrick (voiced byEric Bauza) is a crime lord and arms dealer. He is served by Corvo (voiced byBumper Robinson), an unnamed Thug (voiced byDee Bradley Baker in "A Jolt from the Past", Eric Bauza in "No Honor Among Bros"), and an unnamed Hoodlum (voiced byPaul Eiding in "A Jolt from the Past",Yuri Lowenthal in "No Honor Among Bros").
Solid Plugg (voiced byEric Bauza) is a freelance criminal and resident of Undertown.
Looma Red Wind (voiced byKimberly Brooks) is a Tetramand princess who Ben becomes betrothed to after defeating her in solo combat.
Billy Billions (voiced byAziz Ansari inOmniverse,Gunnar Sizemore in the reboot) is a billionaire and childhood rival of Ben. He was previously trapped in Dimension 12 during a battle with Ben and rendered incapable of aging.
Mazuma (voiced byTara Strong) is an android and Billy Billions' servant.
Nyancy Chan (voiced byGwendoline Yeo) is a mutant criminal who can control felines.
EightEight (voiced byDee Bradley Baker) is a Sotoraggian bounty hunter and the older sister of SevenSeven and SixSix.
The Way Bads (voiced byEric Bauza) are mutant To'kustars created by Dr. Psychobos.
Crüjo (voiced byBumper Robinson) is a bear-like Loboan who works for Zs'Skayr.
Kuphulu (voiced byJeffrey Combs) is a Thep Khufan who works for Zs'Skayr.
Lord Transyl (voiced byDavid Kaye) is the former leader of the Vladats, who were killed in a war with the Transylians. In the present day, Zs'Skayr resurrects Transyl using the Alpha Rune.
The Rooters are ablack ops unit of the Plumbers who transformed themselves into alien hybrids using Kevin's abilities. They consist of the Cerebrocrustacean hybrid Servantis (voiced byCharlie Adler), the Aerophibian hybrid Swift (voiced byTara Strong), the silent Prypiatosian-B hybrid Leander, and Max's former partner Phil.
Kundo (voiced byJeff Bennett) is a Revonnahgandertraditionalist and Rook Blonko's former teacher who despises technology. He is later transformed into a cyborg after being mortally wounded in battle with Ben.
Maltruant (voiced byMark Hamill) is an evil Chronosapien who seeks to remake the universe in his image. In theOmniverse series finale, "A New Dawn", he is defeated and trapped in a time loop that has him continually rebuilt and destroyed.
Subdora (voiced byTara Platt) is a Merlinisapien thief who works for Maltruant and is partnered with Exo-Skull.
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