List of Ben 10 characters


This is a list of characters in the universe of Cartoon Network's Ben 10 franchise.

Overview

Television series


  • 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.
  • A indicates an appearance as a younger version of a pre-existing character.
  • A indicates a cameo appearance.
  • A indicates an appearance in onscreen photographs only.
  • A indicates an appearance in deleted scenes only.
  • A indicates a motion-capture role.
  • A indicates an uncredited role.

Film series


  • 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.
  • A indicates an appearance as a younger version of a pre-existing character.
  • A indicates a cameo appearance.
  • A indicates an appearance in onscreen photographs only.
  • A indicates an appearance in deleted scenes only.
  • A indicates a motion-capture role.
  • A indicates an uncredited role.

Main characters

Ben Tennyson

Voiced by:
  • Tara StrongBen 10 , Ben 10: Ultimate Alien, Ben 10: Omniverse & Ben 10
  • Yuri Lowenthal – Ben 10: Alien Force, Ben 10: Ultimate Alien, Ben 10: Omniverse & Ben 10
Portrayed by:
Benjamin Kirby “Ben” Tennyson is titular character and the main protagonist of the franchise. At the start of Ben 10, he is a 10-year-old boy 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 of Alien Force, Ben retrieves the Ultimatrix from Albedo and uses it as a replacement before Azmuth gives him the official Omnitrix.

Gwen Tennyson

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.

Max Tennyson

Voiced by:
Portrayed by:
Max Tennyson is Ben and Gwen's paternal grandfather. He is 60 years old in the original series, 65 in Alien Force and the reboot, 66 in Ultimate Alien and Omniverse, 80 in Ben 10,000 and 92 in Ken 10. 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 the Apollo 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

Kevin Levin is a mutant human who can absorb matter, energy, and DNA and initially appears in the original series as an 11-year-old boy and one of Ben's enemies. However, he later reforms and becomes Ben's best friend and Gwen's love interest.
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

Rook Blonko 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.

Secondary characters

Plumbers

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:
  • Magister Labrid is an Aquarian Plumber who recruited Max into the group. In the Alien Force pilot episode "Ben 10 Returns", Labrid is killed in battle with the Forever Knights.
  • Magister Prior Gilhil is Max Tennyson's superior and the guardian of several hundred planets. He is later killed by Aggregor.
  • Magister Patelliday is a Pisciss Volann Plumber and the second-in-command of the Plumbers on Earth.
  • Magister Hulka is a drill instructor at the Plumbers' Academy.

    Plumber's Helpers

This group is composed of the children of Plumbers, most of whom are superpowered alien-human hybrids.

Cooper

Cooper is a mutant human who can manipulate machines.

Alan Albright

Alan Albright is a Pyronite hybrid who can return to his human form at will, unlike the other Plumbers' Helpers.

Helen Wheels

Helen Wheels is a Kineceleran hybrid and friend of Manny. The two formerly hunted aliens before realizing their wrongs and reforming.

Manny Armstrong

Manny Armstrong is a Tetramand hybrid and friend of Helen. The two formerly hunted aliens before realizing their wrongs and reforming.

Pierce Wheels

Pierce Wheels is a hybrid of Argit's species and Helen's adoptive brother. In Ultimate Alien, he is killed during the Forever Knights' purge of aliens on Earth.

Lucy Mann

Lucy Mann is a Lenopan, a slimy shapeshifting alien and Ben's cousin-in-law.

Julie Yamamoto

Julie Yamamoto is an Asian-American tennis player and one of Ben's love interests. She is commonly accompanied by Ship, a dog-like Galvanic Mechamorph who can transform into a powered armor suit.

Kai Green

Kai Green 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

Azmuth 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

Professor Paradox 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 a pocket watch.

Jimmy Jones

J. Jonah "Jimmy" Jones is a fan of Ben who exposed his secret identity to the world in Ultimate Alien. He is named in reference to the Marvel Comics character J. Jonah Jameson.

Aggregor's Prisoners

Aggregor's prisoners are a group of aliens from the Andromeda 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, and the Geochelone Aerio Galapagus.

Sir George

Sir George is an immortal knight who founded the Forever Knights to combat Dagon. In Ultimate Alien, he reunites the Knights to achieve this goal, but is killed after Dagon removes his immortality.

Glitch

Glitch 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 in Ben 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 dubbed Hitch.

Kenny Tennyson/Chrono Spanner

Ken Tennyson 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 becomes Chrono Spanner.

Alternate versions of Ben

Ben 23

Ben 23 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

Ben 10,000 is the name of several alternate future versions of Ben. The Ultimate Alien version of Ben 10,000 can use alien powers without transforming, while the Omniverse Ben 10,000 wields the Biomnitrix, a pair of Omnitrices that can transform him into alien hybrids.

Gwen 10

Gwen 10 is an alternate universe variant of Gwen who found the Omnitrix instead of Ben.

Other characters

Cash and JT

Cash and JT are Ben's old bullies from school. Cash is voiced by Dee Bradley Baker in the original series, Matt Levin in Alien Force and Ultimate Alien, and Roger Craig Smith in the reboot, and portrayed by Tyler Patrick Jones in Race Against Time. JT is voiced by Adam Wylie in the original series, Scott Menville in Alien Force and Ultimate Alien, and Max Mittelman in the reboot, and portrayed by Tyler Foden in Race Against Time.