Editing Gundam (fictional robot) (section)

=== Variants and successors ===

* The RGM-79 '''GM''' was a mass-produced mobile suit based on the RX-78-2's combat data and design, and spun off into its own line of mobile suits.
* The RX-78-2 Gundam is part of the RX-78 series of high-performance mobile suits, which are primarily featured in spinoff media. They were originally designed by Kunio Okawara for the ''Mobile Suit Variation'' and ''Missing Mobile Suit Variation'' series. 8 units were created, with Units 7 and 8 remaining a mystery.
** The RX-78-1 '''Prototype Gundam''' was the first Gundam-type mobile suit designed to combat the Zaku and led to the creation of the RX-78-2.
** The RX-78-3 '''G-3 Gundam''' donned a gray color scheme and used as a testbed for the magnet coating technology later used by the main unit. It makes an appearance in the novel adaption of the show.<ref name="novel" />
** Units RX-78-4 Gundam Unit 4 "'''G04'''" and RX-78-5 Gundam Unit 5 "'''G05'''" were featured in the video game ''[[Mobile Suit Gundam: Encounters in Space|Encounters in Space]],'' and are sister units that eliminate the Core Block system for increased weaponry and better performance. Unit G04 was equipped with a Mega Beam Launcher, which was unstable and destroyed the unit by overloading its energy output.
** The RX-78-6 '''Mudrock Gundam,''' featured in ''Mobile Suit Gundam Side Story: Missing Link'', was a Zeonic unit utilizing built-in weaponry as opposed to external ones such as the beam rifle.
** The RX-78-7 '''7th Gundam''' (aka RX-78-7 Gundam) featured in ''[[Mobile Suit Gundam Battlefield Record U.C. 0081]]''
* The FA-78-1 '''Full Armor Gundam''' was an unbuilt schematic for modular weaponry and armor meant for the RX-78-2.
* The PF-78-1 '''Perfect Gundam''' was first featured in the manga [[Plamo-Kyoshiro]] and was an RX-78-2 model kit modified with over-the-top armor and a shoulder-mounted water cannon.
* The RX-78-NT1 '''Gundam NT-1''' (nicknamed the Alex), was featured in the OVA ''[[Mobile Suit Gundam 0080: War in the Pocket|War in the Pocket]]''. Initially meant to be sent to Amuro as a replacement for the aging RX-78-2, it was test piloted by Christina Mackenzie and destroyed in the Side 6 space colony.
** The RX-78GP01 '''Gundam GP01 Zephyranthes''' a successor of RX-78-2 was first featured in the OVA ''[[Mobile Suit Gundam 0083: Stardust Memory|Stardust Memory]]''. A new Gundam-type as part GP project (Gundam Development Project)
** The RX-178 '''Gundam MK-II''' is featured as a key mobile suit in ''[[Mobile Suit Zeta Gundam]]'', being piloted by protagonist Kamille Bidan in its first half and continuing to be used throughout it and ''[[Mobile Suit Gundam ZZ|Mobile Suit ZZ Gundam]]''. Three units were produced by the Titans faction, improving on aspects of the original with technology such as a moving inner frame and a panoramic cockpit. All three units were later stolen by the Anti Earth Union Group (A.E.U.G) and one of them was given a new paint scheme while the other 2 were dismantled and studied.