Bill Tennyson is a character in the series, Brandon 10.


In Alien Force, Bill takes the appearance of an average Human however at an old age. He wears a long red jacket and a black T-Shirt.

In Ultimate Hero, Bill's appearance does not change majorly from his Alien Force appearance.

Powers and Abilities

Bill doesn't have any alien powers or special abilities but he is advanced in combat, weapons and technology


Alien Force

Ultimate Hero

Video Games

Online Games



  • Bill was a Mechanic when he was younger but retired at an older age.
    • Although he is retired, Bill still works on Mechanic things such as recruiting and research while still trying to maintain a daily living.
  • Bill was trapped in the Capture Zone due to a similar accident as Brandon's in Trapped in the Capture.
  • Bill took the name as "The Protector" as he protected and aided innocent aliens trapped in the Capture Zone.
  • He is played by Tommy Lee Jones in Brandon 10: Aliens Among Us.
  • As stated in Genetics, Bill had been good acquaintances with General Gates.


Brandon 10: Alien Force
Main Characters in Brandon 10: Alien Force
Brandon | Coco | Sarah
Supporting Characters in Alien Force
Amy | Sparky | Jordan | Uncle Bill | Erudiden | Celida
Villains in Alien Force
Zonarians | Extreme Bikers | The Conqueror
Aliens in Alien Force
Loch Ness | Astro | Crusher | Electrix | Batwing | BrandonBot | Brainiac | Tick | Agilmur | 10 X
Additional Aliens in Alien Force
Rocks | Snow Bear | Magnet Man | Stink Breath
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