Based on the story, Darna was impregnated by the Japanese anime robots Voltes V and Mazinger Z.
The band's name Koyi k utho was selected as a tribute to the Mazinger Z's character, Koyi Kabuto.
It is a beat em'up/versus fighting game based on the MazinSaga manga by Go Nagai, which was in turn a spin-off of Nagai's original Mazinger Z.
This is often interpreted as the root of later series like GoLion, called Voltron, Defender of the Universe in the United States, the Transformers, and the giant robots in the Super Sentai Series (the basis for Power Rangers).
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The team-up anime Grendizer & Getter Robo G & Great Mazinger vs. The Giant Sea Monster is very similar to tokusatsu films like Godzilla vs. the Sea Monster.
The series is dubbed to be the "Most Ripped Off Animated Series" due to copying every Super Robot Series in Japan, especially Mazinger Z, Ippatsuman, Space Cruiser Yamato, Mobile Suit Gundam and many of Leiji Matsumoto's work.
Mazinger Z is extremely popular in Spain, Latin America and throughout Asia: UFO Robot Grendizer (aka Goldorak and Goldrake between 1976 and 1980 was a huge hit in Italy and France; Groizer X (aka O Pirata do Espaço ) was a '80s hit in Brasil.
In a then unheard-of move, Tomino instructed Okawara to design more "realistic," practically-designed title mecha for the series, closer to lines of the "powered armor" described in the Robert A. Heinlein novel "Starship Troopers," rather than the fanciful iron giants depicted since the airing of Mazinger Z.
A leading director at the Toei Animation studio during the 1960s, 1970s, and 1980s, Katsumata worked as a director on several of Toei's anime TV adaptations of manga by Go Nagai, including Devilman (1972), Mazinger Z (1972), Cutey Honey (1973), Great Mazinger (1974), UFO Robo Grendizer (1975) and Gaiking (1976) (both Grendizer and Gaiking became later part of Jim Terry's Force Five package on U.S. television).
Their pilots are also traditional characters from Go Nagai's universe, Sayaka Yumi and Jun Hono from Mazinger Z and Great Mazinger respectively, and Hikaru Makiba and Maria Fleed from Grendizer.
Kikunosuke appears in the Mazinger Angels manga as the pilot for Iron Z (which is in fact a new name for Energer Z, the Mazinger Z prototype.) As well as traditional Mazinger and Grendizer characters Sayaka Yumi, Grace Maria Fleed, Hikaru Makiba and Jun Hono as they fight Dr. Hell's forces and the Vegan Empire, respectively; Daemon also appears under his Hayami Danbei alias in Grendizer.