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.
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
- Diamond Head
- Four Arms
- Grey Matter
- Ghost Freak