Rex Salazar

Rex Salazar is a young Evo with the abilitiy to cure E.V.O,s including the ability of to control his nanites and to grow machines and communicate with technology.

Ben 10-Generator Rex: Heroes United
He will make an appearance in the crossover special when Ben Tennyson steps into a portal into his world and confused him for an dangerous E.V.O and when Rex and Ben have a fight eventually team up to face a common threat that is not known at the moment.