Ben 10.

About Ben 10

Ben 10 is an American animated series created by the writer collective, Man of Action for Cartoon Network. The series follows ten-year-old Ben Tennyson, who discovers a watch-like alien device known as the Omnitrix. Attached to his wrist, it allows him to transform into various alien creatures, each with unique abilities, which he uses to combat threats on Earth and beyond alongside his cousin Gwen and their grandfather Max.