The main characters of the series are the 15 middle schoolers who discover Zearth and then go on to pilot it. Each story arc of the series focuses on a single character: the next in line to pilot the giant robot.
While revealing the individual stories of each of Zearth's pilots, the series also introduces the pilots' families, friends, and acquaintances.
Pilots (Manga)[]
- Takashi Waku
- Masaru Kodaka
- Daiichi Yamura
- Mako Nakarai
- Isao Kako
- Chizuru Honda
- Kunihiko Moji
- Maki Ano
- Yōsuke Kirie
- Takami Komoda
- Aiko Tokosumi
- Kanji Yoshikawa
- Kana Ushiro
- Jun Ushiro
Japanese Government (Manga)[]
- Misumi Tanaka
- Masamitsu Seki
- Sasami
- Tate
- Kunio Shōji