Cydan is a planet with a race of master imitators. They seek to make the cold war between Earth and Lustra an all out war by imitating and attacking. Their plot is seen through and they are defeated uniting Earth and Lustra instead of bringing them to war.
Spragg (introduction, origin); Prof. Bob Robertson (introduction, last name not given)
Spragg, an outcast of his race, is forced to the surface of the Earth in Transylvania, where he enslaves the local villagers and forces them to build him a device to boost his powers. A visiting scientist figures out how to rid the planet of Spragg, and flings him into space.
Suppose you found yourself wandering the streets alone one day, not...
A man finds himself lost in a fog with no idea who he is. He is approached by a stranger who offers to help him through hypnosis. The hypnosis recovers his lost memory and he realizes that he was a circus performer who has died from a fall from the high wire. The stranger is revealed as Death who was delayed from their appointed meeting and is here to usher him into the next world.