Due to killing Future Bulma and destroying the Future timeline, he can be considered the arch-enemy of Future Trunks. Thanks to masterminding Project Zero Mortals, recruiting his future self to assist him, and not only wiping out the multiverse of his timeline of all life, but nearly did the same to the rest of reality itself before the intervention of Zen-Oh. Goku Black is the biggest threat ever fought in the entire Dragon Ball franchise. He is a mysterious yet evil being who bears a striking resemblance to Goku and has not only caused the Earth's second apocalypse in Future Trunks' timeline, but successfully wiped the multiverse of all life.Įventually, it is revealed that he is the Zamasu from the original present timeline who switched bodies with Goku before killing him as revenge for beating him during their sparring session. Goku Black is the main antagonist of the 'Future' Trunks saga of Dragon Ball Super.