Future Trunks is a Saiyan-Earthling hybrid and the son of Vegeta and Bulma, both from an alternate future. By the time Present Trunks was born, the timeline had been drastically altered by Future Trunks' and Cell's trips to the past. Therefore, the two Trunks had completely different lives .Well-mannered, serious and very cautious, Trunks hails from an alternate timeline; trunks is trained by Future Gohan as a teenager and becomes a gifted fighter, swordsman and a Super Saiyan