The way the Ratchet & Clank wiki capitalizes words has changed; therefore, this article should be checked, and, if necessary, capitalization should be fixed.
Robot Control Units, or R.C.U.s, were robots created by the Technomites. They could take control of Guard torsos, gun turrets and Mechanoid. When Robot control units were not in a torso, they were weak enough to be killed with the Wrench in one hit.
- Ratchet & Clank: Size Matters (first appearance)