Dotakon, an artificial humanoid crafted by 11-year-old prodigy Michiru—holder of a Ph.D. in atomic physics—serves as both protector and companion, engineered to fulfill her longing for a sibling. Equipped with advanced robotics, he navigates a world of peril and invention alongside Chopiko, a smaller robotic sister later created by Michiru. Their adventures stem from Michiru’s groundbreaking inventions, often pitting them against antagonistic forces endangering their world.

Brave and selfless, Dotakon consistently prioritizes others’ safety, employing strategic thinking to dismantle threats. His resourcefulness shines through unorthodox crisis solutions, though a streak of impulsiveness sometimes drives him to act before evaluating risks. Loyalty and duty anchor his relationships, particularly with Michiru and Chopiko, as he assumes leadership during missions, shielding allies with unwavering resolve.

Designed for combat, Dotakon confronts adversaries head-on, though his effectiveness hinges on Michiru’s technological ingenuity. His story remains anchored in the original 1981 series, with no official expansions into spin-offs, films, or other media.