The MS-05Q Zaku I (Norris Custom) is a variant of the MS-05A Zaku I Early Type. It is piloted by Norris Packard from Mobile Suit Gundam: The 08th MS Team. It first appeared as a part of the MSV-R line.
The MSM-07 Z'Gok (ズゴック Zugokku) is a mass production amphibious mobile suit. It was first featured in the anime series Mobile Suit Gundam, and later appeared in the OVA series Mobile Suit Gundam Unicorn.
The RX-78NT-1 Gundam "Alex" is a prototype newtype-use mobile suit and is a next generation Gundam built specifically for Newtypes. The unit is piloted by test pilot Christina Mackenzie, it is featured in the OVA series Mobile Suit Gundam 0080: War in the Pocket.
The RMS-192M Zaku Mariner (aka Zaku-Mariner) is a mass-production amphibious mobile suit, it is first featured in the anime series Mobile Suit Gundam ZZ, the design was later updated and featured in the novel/OVA series Mobile Suit Gundam Unicorn. The unit is piloted by Green and Fritz.
The RAG-79-G1 Waterproof Gundam (水中型ガンダム) (Also called Gundam Marine Type or Gundiver) is an Earth Federation Mobile suit from the Universal Century, which first appeared in Kunio Okawara's M-MSV series and later on in the side story manga Mobile Suit Gundam Unicorn: The Noble Shroud.
The Zaku II Dozle Zabi Custom is one of many variants of the standard MS-06 Zaku II created by the Principality of Zeon during the One Year War. It was personally piloted by Zeon's Space Attack Force Commander Dozle Zabi.