The RX-178+FXA-05D Super Gundam was a prototype combined mobile suit.
The RX-178 Gundam Mk-II was a prototype general purpose mobile suit developed by the Earth Federation elite unit Titans.
The RMS-179 (RGM-79R) GM II was a mass production general purpose mobile suit developed by the Earth Federation.
The RMS-099 (MSA-009) Rick Dias was a mass production general purpose mobile suit developed by Anaheim Electronics for the AEUG.
The RGM-79N GM Custom was a mass production general purpose mobile suit developed by the Earth Federation.