Future Trunks is the Saiyan and Human hybrid son of Vegeta and Bulma from an alternate future. By the time Present Trunks was born, the timeline had been altered by Future Trunks' and Cell's trips to the past.

Future Trunks, having never met his father, nor grown up under his influence, combined with the fact that he grew up in an apocalyptic world, is very cautious and serious (such as when he begged Vegeta not to challenge the Androids without Goku being present.

I would like his voice to sound close to the anime.