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Benjamin Kirby Tennyson is the main character of Ben 10. He is a human boy who at the age of 10 discovers an alien device called the Omnitrix.


Age 10[]

He has short brown hair, and green eyes. He has a white t-shirt with a black stipe going doing the middle. On his wrist is the Omnitrix.


Ben has a watch like device called the Omnitrix which can transform him into several different alien forms.

Stage 1 of Omnitrix[]

  • Heatblast
  • Wildmutt
  • XLR8
  • Diamond Head
  • Four Arms
  • Grey Matter
  • Stinkfly
  • Upgrade
  • Ghost Freak
  • Ripjaws