Kenneth "Ken" George Tennyson
Ken 10 TNO.png
General Information
Species Human
Home Planet {{{home planet}}}
Equipment Omnitrix
Voice Actor Josh Keaton

Ken "Kenny" Tennyson, also known as Spanner, is the son of Ben Tennyson and Kai Green. On his tenth birthday, he received a duplicate Omnitrix from his father.


He now wears black and green shirt. The cuffs near his leg as well as his belt are green and he has black pockets.The circle around his belt buckle is white. His eyes are a darker green.

He also wears the Omnitrix on his wrist.


Kenny is very much like his father was when he was 10 years old. One example of this was his immediate friendship with fellow troublemaker Devlin Levin.

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



Ken wears an Omnitrix  made by his father on his left wrist to replace the Omnitrix Replica. His new list of aliens are:

  • Stinkfly
  • XLR8
  • Ditto
  • Kenwolf (Blitzwolfer)
  • Humungousaur
  • Buzzshock
  • Wildvine
  • Murk Upchuck
  • Perk Upchuck
  • Diamondhead
  • Atomix
  • Grey Matter

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

Ken also possesses a Dehydrated Techadon Army Cube which he can use to create Techadon Robots that would carry out orders for him.



  • His name Kenneth "Ken" George is based off of Waybig101's favorite baseball player, George Kenneth "Ken" Griffey Jr.
  • According to Waybig101, Ken was grounded for sneaking out to a rock concert with Devlin Levin.
    • That is why he didn't have the Omnitrix on in The End of an Era.
  • According to Sen100, Ken dosn't have Alien X in his Omnitrix.