Generator Rex: Nanite Master - How Many Rounds Can You Last Against Biowulf (CN Games)

Ben 10/Generator Rex: Heroes United - Wikipedia

Generator Rex (Western Animation) - TV Tropes

The Meta Nanites - Generator Rex by GeneratedSentience on DeviantArt

For those who say upgrade is something other than Nanites : r/Ben10

Rex has the ability to grow various machines out of his body. He can also use his nanites to communicate with and control nea…

Generator Rex Nanites GIF

Generator Rex

So Upgrade is technically Generator Rex? : r/Ben10

Planet Heroes: Generator Rex

Nanites (Reboot) Ben 10+BreezeWiki