Visually, the kaiju closely resemble Godzilla Junior, having a similar skin tone and the same pattern of dorsal plates on their backs. However, they have small differences to their Earth-based counterparts - namely, the presence of two yellow stripes, one on either side of their dorsal plates.
In a flashback, Torema is shown regretfully shooting a rocket launcher at one of these creatures. Before she passes out due to her fight with Zaguresu a short while ago along with trying to help Godzilla against King Ghidorah, she gives the G-Guard Commander a video.
The monsters are shown to inhabit Torema's planet in the video Torema gave the G-Guard Commander. After Zaguresu and King Ghidorah attack the planet, then head for Earth, Torema vows to protect the threatened planet, as another one of the monsters comes to watch.
The Jigoras' roar is a reversed Showa era Godzilla roar.
- The figures used for these creatures were regular Godzilla Junior figures that were made a lighter, brighter green and had yellow stripes added to them.
- Curiously, the Jigora closely resemble Junior's design from Godzilla vs. Destoroyah, while the real Junior (who also appears in the series) looks very different, being soil-colored and having large eyes.
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