In "For the Man Who Has Everything," this villain causes Superman to see a reality of himself living on Krypton after infecting Superman with the plant Black Mercy, and he'd earlier fought Superman as a gladiator on a massive planet-size spaceship.
This character killed Prince Gavyn's sister and took over Throneworld. After taking over a planet whose inhabitants all died of a virus, this character discovered two immune infants he raised as his own. This character was eventually killed by the demon Neron, and he was defeated and replaced in his initial position by (*) Draaga. After being recruited by the Cyborg Superman, this villain destroyed Coastal City. In "For the Man Who Has Everything," this villain causes Superman to see a reality of himself living on Krypton after infecting Superman with the plant Black Mercy, and he'd earlier fought Superman as a gladiator on a massive planet-size spaceship. For 10 points, name this despotic ruler of the Warworld.
This character killed Prince Gavyn's sister and took over Throneworld.
Mongul