The Spaceman Astronaut was an astronaut that took the place of an Earth astronaut and came to Earth in disguise. After he tried to wreck the Space Base, Superboy stopped him, and after saving the real astronaut, he returns this alien astronaut to his own kind.
The Spaceman Astronaut was an astronaut that took the place of an Earth astronaut and came to Earth in disguise. After he tried to wreck the Space Base, Superboy stopped him, and after saving the real astronaut, he returns this alien astronaut to his own kind.