Future Trunks is a character from Dragon Ball, hailing from a dystopian timeline where Goku dies from heart disease, leaving androids 17 and 18 to ravage Earth. Son of Vegeta and Bulma, he time travels to the past to give Goku medicine and warn about the android threat, aiming for peace even if his world remains unchanged. Trained by Future Gohan, he achieves Super Saiyan after Gohan's death, fueling his rage against the androids. Kind and gentle to allies, he shows infinite cruelty to foes, effortlessly killing Frieza, King Cold, and later the androids upon returning stronger. His efforts alter timelines, influencing Dragon Ball's events profoundly.