TV-Series
Description
Dr. Bob Brilliant is a middle-aged scientist and inventor who serves as a central figure in the Gigantor series. His background is deeply tied to the creation of the titular giant robot. He assisted Jimmy Sparks' father in the invention and perfection of Gigantor, but when Professor Sparks died before the robot was complete, Dr. Brilliant finished the work using the plans and parts the two had gathered. In the English adaptation, he lives with his nephew, the young hero Jimmy Sparks, on a remote island. His household also includes his teenage son, Button, and a housekeeper named Lotus.

As his name implies, Dr. Brilliant is characterized by his exceptional intelligence and his dedication to scientific research, in which he is constantly involved. He is a resourceful problem-solver who often devises complex plans and equipment to deal with threats. For instance, when a giant cobra terrorized an Egyptian village, he conceived a plan to lure it away using a sound wave generator and, when that failed, constructed a trap using bamboo poles. He is also shown to have a secret network of scientist friends around the world who provide him with crucial information.

Dr. Brilliant's primary motivation is the protection of peace and the safety of others, using his scientific knowledge to combat evil. He is the one who arranges for Gigantor to be sent on missions, as when he received an alert about the rampaging Robot Albatross and dispatched the giant robot to intercept it. He also takes personal risks, as shown when he traveled to Egypt with Jimmy to help villagers or when his disappearance at the South Pole triggered a rescue mission.

In the story, Dr. Brilliant acts as the technical and moral anchor for the team. While Jimmy Sparks controls Gigantor in the field, Dr. Brilliant is the guardian and father figure to the boy, as well as his close friend. When Gigantor is damaged or in trouble, he is the one called upon to assist in repairs and analysis. Beyond his relationship with Jimmy, he is a close friend and ally of the secret agent Dick Strong, and the group is frequently aided by the comical police officer Inspector Blooper.

While the character is largely static, his role is consistently that of the capable and reliable mentor whose primary function is to provide the scientific solution to the team's problems. His key abilities lie in his genius-level intellect, his expertise in robotics and other sciences, and his inventive skill, which are crucial for both maintaining Gigantor and developing plans to overcome the various villains and menaces that appear in each episode.