Goku Black is a major antagonist in the anime series Dragon Ball Super. He is a sinister entity who possesses the body of Goku, the series' main protagonist. Originating from an alternate timeline, Goku Black is actually Zamasu, a Supreme Kai apprentice who uses the Super Dragon Balls to switch bodies with Goku. His objective is to eradicate all mortals and gods, believing this will bring about 'Zero Mortals Plan' to create a utopia. Goku Black is known for his ruthless nature, formidable fighting skills, and the ability to transform into Super Saiyan Rosé.