At the end of one story, after defeating the villain, the heroes realize he's dying and offer to take him to a hospital.
"No. The exertion, and Earth's alien environment, have finished me. But at least I am free of the Controller."
"Then it was the real villain! You were innocent!"
"Not really... you see, I created it. I intended it to be the perfect artificial brain, with all the potential of a human brain, but able to use it as no human could, at least not on any planet known to me. And you have seen its power."
"But why use that power for senseless destruction? And why here?"
"That was my great error. I made it too human. My artificial brain was... insane... "
