Earth Defense Class (地球防衛組)
Jin Hyuga is the main pilot of Ken-oh and Raijin-Oh and God Raijin-Oh. He is brash, a braggart, and very good at sports. He has spiky hair, is boss of the kids, and has a strong sense of justice. His student number is the eighth. He often quarrels with Maria, but they trust each other. His father, Chuutarou Hyuuga and his wife run a sake shop, the Hyuga Store, which is used as a front for the Hyuga home. Jin's room is on top of the Hyuga Store. His cousin's name is “Youtarou Hyuuga”.
Asuka Tsukishiro is the main pilot of Hou-oh, and flight and altitude controller for Raijin-Oh, God Raijin-Oh. He is a handsome, smart, rich, realist, but a vain and timid boy. He is very popular with girls in the class, and has his own fan club. His student number is seventh. Hiryu Tsukishiro is his cousin, who is the pilot of Ryu-Oh. His father takes him skiing every winter and his mother's name is called Ayako.
Koji Hoshiyama is the main pilot of Jyu-oh, also the power controller for both Raijin-Oh and God Raijin-Oh, and all-weapon controller. He is kind-hearted, timid but courageous, has a pair of binoculars, and he believes in UFOs and aliens. His student number is ninth.
Maria Shiratori is a commander in the Earth Defense Class, and the main pilot of Bakuryu-oh. She is smart, strong-willed, daring, has a ponytail, and is half Japanese and half French.
Tsutomu Kojima is the advisor in the Earth Defense Class, and computer operator. Tsutomu is a smart, polite, stubborn, and a typical nerd with bobbed hair and thick glasses who likes to study and research. He has done an analysis of the robots of Eldran. The mad scientist of the Saurers, Takako Kojima is Tsutomu's relative and cousin, who he respects her.
Kirara Haruno is mainly an operator with the outside. Kirara is an honest, frank, fluffy long-haired girl, and is a broadcasting committee member. She wants to be a newscaster, and is Asuka's fan club president.
Akira Imamura is an operator of core robots's starting system and weapon selector of Bakuryu-oh. Akira is a pretentious sore loser and a punk boy who wants to be a rock star, and had put the mesh in his hair.
Reiko Ikeda is mainly an operator with Raijin-Oh. Reiko is a lively, curious, big almond-shape eyed girl who is a big wrestling fan, and she troubled with the fact that she's the shortest student in the class. She is in love with Tsutomu. Her parents run a gas station in Hinobori.
Miki Mano is the energy gauge manager, launcher of Bakuryu Cutter fire, and safety manager of Bakuryu-oh's weapons. Miki is diligent, but quickly gives up, and is a member of the breeding committee. She was once afraid of dogs, but after Shippo was found at school, she adopted him and welcomed him into the family.
Hiroshi Takamori is a vice-commander in the Earth Defense Class, safety manager of Raijin-Oh's weapons, and sub pilot of Bakuryu-oh. Hiroshi is the male representative of the class, and is usually inconspicuous, but trusted. He's in love with Cookie, his childhood friend.
Orie Ishizuka, known as "Potato", is Hou-oh's all sensor systems monitor, and Raijin-oh's damage counter. Orie is a generous, strong-willed, chubby girl who loves potato chips.
Yoko Kuriki, known as "Cookie", is Raijin-oh's radar operator. Cookie is a short, big-eyed girl who likes adorable things, but has strong dependence on others and can't do anything on her own. Her own teddy bear turns into an evil beast in episode 11.
Yoshiaki Ogawa, known as "Yoppa" is Ken-oh's circuit-based monitor, and Bakuryu-oh's transformation manager. 'Yoppa' is an own-pacer, lacking in cooperation, fat boy with spiky hair, who's somehow lovable. He lives with his parents and his grandfather operates a one man plane.
Tokie Sakai is Jyu-oh's sensor systems monitor, and Bakuryu-oh's damage counter manager. Tokie wears overalls, meddles, and likes super heroes. She became friends with Osekkaizar, the evil beast from episode 36. Her parents run an izakaya.
Hidenori Kondo is Raijin-oh's radar operator. Hidenori is a super-rich, small, kind-hearted, polite, shy boy.
Daisuke Sato is Ken-oh's circuit system monitor, launcher of Bakuryu Cannon fire, and main mechanic of robots. Daisuke is the tallest and biggest student in the class, but a gentle, shy boy, and the eldest son of large family. He has learned to take care of his siblings whenever his parents are away anytime.
Yu Izumi is a commander in Earth Defense Class, and main pilot of Bakuryu-oh. Yu is sickly, shy, timid, and has braided hair. She is the tallest girl in the class. Her sister, Ruriko Izumi is a first grader who hates vegetables, but after an incident with a Jaku Beast, she starts to accept vegetables at lunch.
Aiko Shimada, known as "Love" is Ken-oh's sensors system monitor, and Bakuryu-oh's pulse checker. Aiko is a mature, tall girl who is good at sports, and is a physical education committee member.
- Hiroshi Takamori (高森 ひろし)
- Aiko Shimada (島田 愛子)
- , Rica Matsumoto(since episode 37)
