A candid and self-centered Intelligentsia Guild member, who often conceals his appearance with a strange plaster sculpture. He demonstrated unparalleled intelligence and talent since his youth, but now refers to himself as a "Mundanite." He firmly believes that intellect and creativity are not confined to geniuses. He seeks to distribute knowledge to the entire universe to cure the persistent disease named ignorance. Dr. Ratio has wavy violet hair that partially covers his left eye.