MSZ-006 Original Zeta Gundam (aka Zeta, Ζ Gundam, ζ Gundam) is s transformable mobile suit, appearing in Plamo-Kyoshiro.
- The design for Original Zeta Gundam is derived from the grand prize winner of the "Zeta Gundam Design Concours". The original name of the mobile suite as shown in the contest was スーパーディテールガンダムMKII ("Super Detail Gundam Mk-II").
- The Zeta Gundam's name is derived from "Zeta", which is the sixth letter of the Greek Alphabet - which may be reference to its model number.
- The MSZ-006 Ζ Gundam is the sixth mobile suit built by Anaheim Electronics as the culmination of the Project Ζ according to Gundam Sentinel list of Anaheim Gundams. The design served as the first Transformable Mobile Suit in real life, and the concept served as the basics of various mobile suit designs later in other Gundam series, including a simplified transformation of the XXXG-01W Wing Gundam according to the model instruction manual of Wing Gundam.