XXXG-000P Omicron Gundam

A Prototype Gundam that was said to have been the original design behind the XXXG-00W0 Wing Gundam Zero and it is rumoured that the original name of the Gundam is unknown, it was renamed into Omicron because it seemed fitting, it was used to produce other Gundams based off its original design.

Trivia

 * The Word "Omicron" is actually the known Greek word for the Number "Zero".