Jimmy's neighbor, Dr. Agasa is a kind old scientist and inventor who often has his top secret experiments blow up in his face. After Conan convinces him to keep quiet about his bizarre situation, Agasa agrees to invent various devices that will help Conan solve crimes and hopefully apprehend the mysterious men who caused his unfortunate transformation. Although scatter brained, Dr. Agasa is kind, helpful, and sincere. The only question is whether or not he will be able to keep Conan's secret.