Raban-17 has a round head similar in shape to a turtle's shell. It also has a ovular body with thin arms and human-like hands covered by metal gloves. Raban-17's body is decorated with dark stripes, similar to its organic counterpart. However, these stripes run all the way around Raban-17's body and are straight instead of wavy. Raban-17 also bears four spots on their forehead.
After the scientist Ichiro Mizuki is injected with the blood of Godzilla by his rival Jiro in an attempt to kill him, he mutates into a giant monster that then attacks Japan. After the Japanese military's failed attempt to destroy the monster with conventional weapons, they turn to Jiro. Jiro's plan is to construct a mechanical version of Raban which he would pilot to fight the real one. However, Jiro's sister Keiko begins to believe Raban may really be Ichiro because the monster is wearing a good-luck charm that she gave Ichiro before he went to Papua New Guinea. With this information, Keiko seeks out Ichiro's mother and discovers that Ichiro and Jiro are actually brothers. Just as Jiro completes the construction of his mechanical Raban "Raban-17", Keiko informs him of her findings leaving Jiro unable to continue with his plan to kill Raban. Now knowing Raban is his mutated brother, Jiro begs the Japanese prime minister for the funds necessary to cure Ichiro, and eventually is able to remove the Godzilla blood from him returning him to normal.
While Raban-17 was never sent into battle to fight his counterpart, the final panel of Kaiju Raban reveals that he could fire a beam from his mouth.
Raban-17 (left) and Raban, as depicted in Monster Raban's table of contents
- Raban-17 became the basis for the Iron Dai-Kaijū in the GeGeGe no Kitarō franchise. In a reversal of Monster Raban, it is Dai-Kaijū who possesses a breath weapon instead of his mechanical counterpart.
- Raban-17 uses the concept of a mechanical monster being constructed to fight an organic monster, a theme that would not be made popular until Mechani-Kong's appearance in the 1967 film King Kong Escapes and Mechagodzilla's appearance in the 1974 film Godzilla vs. Mechagodzilla.
- Raban-17's overall design resembles one of the robots that appeared in Osamu Tezuka's Astro Boy, although Tezuka's robot in turn resembles the "mechanical man" in the 1921 Italian film L'Uomo Meccanico. This is consistent with Mizuki's imitation of the art style and character designs of Tezuka in Monster Raban.
This is a list of references for Raban-17. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: 
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