AtomRG

AtomRG is the Biomnitrix's fusion DNA sample of a Prypiatosian-B and an unknown species from the Andromeda Galaxy and an unknown planet.

Ben as NRG
In The New Omniverse, AtomRG has NRG's Omniverse Containment Suit. The colors on the containment suit are switched with the colors of Atomix's. AtomRG has Atomix's core on his chest, along with the Omnitrix on the core. Atomix's core is now colored to match NRG's color scheme as well.