Kevin's Mutations

Kevin in Ben 10,has the power of absorbing energy. In the episode " Ken 10 " at the last Kevin will change into a monster by scratching the Omnitrix.

Ben 10 alien force
In Ben 10 alien force,Kevin is goog but Ben did someting with the omnitrix and in the explosion Kevin again became a monster.

Ben 10,000
In Ben 10,00, Kevin is known as Kevin 11,000 because he has one more power he can run like XLR8 while he is human.