|First appearance:||Fight! Mighty Jack Episode 17: "I Ran Away And Catch It!"|
Robot Nana (ロボット ナナちゃん, Robo-Nana) is a robot that appeared in the series, Fight! Mighty Jack!
Subtitle: Genius Robot (天才ロボッ, Tensai Robotto)
- Blaster Rifle: Robot Nana was armed with a blaster rifle that could shoot powerful and lethal laser blasts.
- Robot Nana was voiced by Kazue Takahashi.
- Robot Nana was designed by Takao Suzuki, who would later work on as the art director for most of the monsters on Ultraman Ace, Ultraman Taro and Ultraman Leo.