sentences:  The alternate timeline version is activated after Goku's death, murdering the other characters and having a twenty-year reign of terror on Earth until being killed by Future Trunks.They serve as the de facto antagonists of the second act of the third volume of the "Dragon Ball" manga, as well as the third season of the anime adaptation "Dragon Ball Z", only to be supplanted by fellow android Cell, whose purpose was to physically absorb the twins into himself to fully evolve into his complete form.He later returns in "Dragon Ball Super" as a protagonist, featured prominently in the Tournament of Power storyline.