Rosemary admired him as much as she did the others, for she knew what it cost Maurus to have these alien conquerors in his house.
Skraypers - Superheroes lead a resistance movement against alien conquerors amongst the massive cities of their home planet.
When the embassy is attacked by Despero, Beefeater and the JLI Interpol liaison, Inspector Camus, bravely battle the alien conqueror, but are savagely beaten.
Chiefly of high birth, they had chosen the harsh service of the Matriarchy rather than to live in subjection to the alien conqueror.
Dragon himself has gone mad, taking on the personality of a murderous alien conqueror.
It mostly did, except for a few small differences, most notably a race of alien conquerors ravaging the solar system.
As scholars developed a migration hypothesis for the origin of the Tutsi that rejected the Hamitic thesis, the notion that the Tutsi were civilizing alien conquerors was also put in question.
Aten also called the Manchus "alien conquerors".
Descendants of the earth human/Trevarian mix would eventually rescue a conquered Earth from alien conquerors who could mind lie - which they used to conquer the telepathic League of All Worlds.
The death of his wife Maya at the hands of Earth's alien conquerors plays a large part in turning Harlock from unconquered space captain to brooding space pirate.