See Also
An article about EVOs can also be found on the Generator Rex Wiki.
White trix This article belongs to an alternate timeline or dimension within the Original Continuity.

EVOs are organisms that had their intracellular Nanites activated. After an experiment gone wrong, thus creating the Nanite Event, all living things in Rex's Universe were infected by Nanites.

The appearance of EVOs are random, as the active Nanites altered their appearance at the molecular level, thus giving them various powers and abilities.

Notable EVOs

Former EVOs


EVO stands for Exponentially Variegated Organism.