Ben Tennyson

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Benjamin Kirby "Ben" Tennyson is the titular main protagonist of Ben 10. He was a normal ten-year-old kid until he found a mysterious alien watch called the Omnitrix, a powerful device that allows him to turn into ten different aliens with a simple touch - each with their own awesome power! Though immature and clumsy, he uses the Omnitrix to stop evil, but that doesn't stop him from using it for his own personal needs.