Benjamin Kirby "Ben" Tennyson was just a normal 10-year-old kid, until one fateful night on a summer road trip with his Grandpa Max and Cousin Gwen. Ben discovered a mysterious alien watch, later known to be the Omnitrix, and traveled around the country battling evil aliens and villains.


Ben, at Age 16, hasn't changed that much in appearance. Same green eyes, same shaggy brown hair, same pale skin. He is however significantly taller, and a bit more muscular due to all the alien fighting.

He's traded his signature striped shirt for a jacket that resembles the back of the Omnitrix, and with a green undershirt, some less baggy pants, and some different shoes. The Omnitrix has also changed somewhat, looking bigger in appearance.


In his younger years, Ben was very cocky and childish with his heroism, but ultimately a good-natured, genuine hero none the less.

Ben's personality took a drastic shift when he was 15 years old when a tragedy struck. Now he's very serious about everything, he doesn't even name his aliens anymore.


Ben is equipped with The Omnitrix, the most powerful device in the universe, which grants him the ability to transform into several super-powered alien forms. He's had about 6 years of experience in using it to fight evil.

Powers, Abilities, and Weaknesses

Besides the Omnitrix, Ben is adept in hand-to-hand combat, a lot of which he learned from his cousin Gwen. Ben can also think very quickly in a situation.

As far as weaknesses go, Ben is still a human and can be injured. The Omnitrix can also run out of energy and force him to transform back into his human self.


  • Ben 10 (2005)
    • Every Episode
      • Except "Gwen 10" because that episode is noncanon.
      • This Ben technically does make an appearance in "Ben 10,000" and "Ken 10", he just is that version of Ben 10,000.
  • Ben 10: ExOS
    • Season 5
      • "Hello Again, Ben 10: Part 1"
      • "Hello Again, Ben 10: Part 2"
      • "Haywire"
      • "Forevergreen"


  • The Jacket that Ben wears in this design was inspired by a real jacket, made by AthleticWorks. 
    • The creator of ExOS, Carth, even owns the real version of the jacket.
  • Josh Keaton was chosen as his fancast voice due to his similarities to Yuri Lowenthal's performance.
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