Heroes Wiki
Heroes Wiki
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After you took away my omnitrix. I wanted to prove to you that I was ready to be a hero.
~ Ken to his father, revealing himself to be Chrono Spanner.

Ken Tennyson is the son of Ben 10,000 and morphs into the original Omnitrix aliens that first were his fathers. He first appears with the Omnitrix as his new Birthday gift and feels that he could do whatever he wants with it and it gets him into trouble exactly like how his father was warned by Max Tennyson.

He was voiced by Scott Menville.


Ken bears a striking resemblance to his father when he was his age. His clothes are his father's model, these include a white T-shirt with black details and edges on the sleeves, and his green cargo loose brand pants. The color of Kenny's eyes are still the same as Ben's. But his skin tone is a little tan he inherited from Kai.

In Omniverse, he is a little older and the black and white on his shirt has now been reversed. The cuffs near the leg, as well as the belt are now green and have black pockets instead of white ones. The circle around the belt buckle is now white. His eyes are a darker color.

As Chrono Spanner, he wears a white armored suit, along with a green scarf and a white helmet. He seems to have some type of equipment on his wrists.


Ken is very similar to his father was when he was 10 years old. An example of this was his immediate friendship with his rowdy companion Devlin Levin.

Like Ben, Ken had access to only 10 alien forms in the beginning with his Omnitrix.

Ken also showed that he was a little more resourceful than his father using Grey Matter to hack the Omnitrix and unlock the Master Control.

Powers and abilities


Ken uses an Omnitrix made by his father on his left wrist. His list of aliens are:

  • Buzzshock
  • Sandbox
  • Ditto
  • Snakepit
  • Gray Matter (Toepick Replacement)
  • Toepick (Previously)
  • Shellhead
  • Spitter
  • Insectoid
  • Wildvine
  • XLR8

Ken has a technologically advanced, full-body suit (provided by Professor Paradox that is armed with wrist-mounted laser guns and jet boots that allow him to fly.) He possesses an object, which allows him to travel through time.



  • Ironically, Ken and Devlin (Kevin's son) got along pretty well at the beginning like their parents, but unlike the latter, they took it that way to the end.
  • According to Derrick J. Wyatt, is based on Ultra Ben and the Power Rangers.
  • In Ben 10, his Omnitrix is the same as the original series, but in Omniverse his Omnitrix is the same as his father's when he was 16, maybe because his father changed it when he grew up, since his first Omnitrix would be very obsolete, and it was changed to its final version.
  • He shares the same full name with Gwen's older brother, Kenneth Tennyson.


           Ben 10 logo.png Heroes

Main Heroes
Ben Tennyson | Gwen Tennyson | Max Tennyson | Kevin Levin | Rook Blonko

Azmuth | Professor Paradox | Cooper Daniels | Manny Armstrong | Alan Albright | Helen Wheels | Pierce Wheels | Ester

Original Series Aliens
Heatblast | Four Arms | Diamondhead | Ripjaws | Upgrade | Ghostfreak | Stinkfly | Grey Matter | Wildmutt (Ultimate Wildmutt) | Cannonbolt (Ultimate Cannonbolt) | Wildvine | Upchuck | XLR8 | Ditto | Blitzwolfer | Snare-oh | Frankenstrike | Eye Guy | Way Big (Ultimate Way Big) | Spitter

Alien Force/Ultimate Alien Aliens
Swampfire (Ultimate Swampfire) | Humungousaur (Ultimate Humungousaur) | Spidermonkey (Ultimate Spidermonkey) | Echo Echo (Ultimate Echo Echo) | Big Chill (Ultimate Big Chill) | Chromastone | Brainstorm | Goop | Jetray | Alien X | Lodestar | Clockwork | Rath | Jury Rigg | Nanomech | Water Hazard | AmpFibian | Armodrillo | NRG | Terraspin | Fasttrack | Eatle | ChamAlien | Shocksquatch

Omniverse Aliens
Feedback | Gravattack | Bloxx | Kickin Hawk | The Worst | Gutrot | Atomix | Astrodactyl | Ball Weevil | Bullfrag | Crashhopper | Pesky Dust | Walkatrout | Mole-Stache | Toepick | Buzzshock | Arctiguana | Whampire

Reboot Series
Ben Tennyson | Gwen Tennyson | Max Tennyson | Kevin Levin

Reboot Series Aliens
Heatblast | Diamondhead | Four Arms | Grey Matter | XLR8 | Wildvine | Cannonbolt | Upgrade | Stinkfly | Rath | Humungousaur | Overflow | Gax | Shock Rock | Slapback | Jetray | Way Big | Goop

Fusion Aliens
Atomic-X | Amalgam Ben | Big Chuck | Crashocker | Diamond Matter | Fourmungousaur | Heat Jaws | Humungoopsaur | Stink Arms | Uprigg | XLRArmBlastDiamondHeat

Other Aliens
Bashmouth | Bootleg | Crystalfist | Dark Matter | Freezelizard | Hot Shot | Humungoraptor | Quad Smack | Rollaway | Rush | Skunkmoth | Techno-Bubble | Thornblade | Toolboxx | Undertow | Wreckingbolt

Other Omnitrix Users
Ben 23 | No Watch Ben | Gwen 10

Other Characters
Spellbinder | Tetrax Shard | Sir George | Driba | Blukic | Lucy Mann | Charmcaster | Luhley | Myaxx | Julie Yamamoto | Kai Green | Jimmy Jones | Ken Tennyson | Clyde Fife | Fistina | Reinrassic III | Kwarrel | Tyler | Skurd | Devlin Levin | Zed | Baz-El | Ship