Zamasu is a significant antagonist in the "Dragon Ball Super" series, known for his complex ideology and formidable abilities. Originally a Kai apprentice from Universe 10, Zamasu becomes disillusioned with mortals, leading him to enact the "Zero Mortals Plan" to eradicate all mortal life. He collaborates with his future counterpart, resulting in the creation of Goku Black by swapping bodies with Goku. Their fusion through the Potara earrings forms Fused Zamasu, a being of immense power but with a deteriorating body due to the fusion of mortal and immortal entities. Zamasu's abilities include energy projection, flight, and a unique form of immortality. His character explores themes of justice, morality, and the consequences of unchecked power within the "Dragon Ball" universe.
Nekron is a comic book character created by DC Comics and is known to be the lord of death and king of the underworld. He is a dark and terrifying character, who feeds on the souls of the dead and seeks to destroy all who stand in his way. Nekron was first introduced in the comic Tales of the Green Lantern Corps, where it was revealed that he had been present in the DC Universe since the beginning and had been manipulating the dead to rise from their graves and become his army of the undead. In addition, Nekron has the ability to control the dead and bring them back to life, making him a formidable foe for any hero who confronts him. In short, Nekron is a dark and terrifying comic book character with the ability to control the dead and bring them back to life. If you are a comic book fan and are interested in characters with supernatural powers and a dark history, you should definitely check out the stories featuring Nekron and see how he stands up to DC's heroes.