Enemy of thetitular heroinBen 10, but in the sequels they become friends. Hasshortblack hairandblack eyeswithbags under eyes. Wears asleeveless shirt. He has the power to absorb the powers of others, initially resulting in him being able to also transform into Ben's aliens before becoming stuck in an amalgamation form of all of Ben's unlocked aliens at the time known asKevin 11. InBen 10: Alien Forcehe becomesGwen's boyfriend. In the2016 serieshe wields a counterpart to theOmnitrixcalled the Antitrix.