Trunks is a fictional character in Dragonball Extreme Trunks is the son of Vegeta and Bulma and a brother of Bulla / Bra and Zen . He's half human and half saiyan and best friend with Goten , Pan , Marron and Geki. His story shares a similarity with the Trunks from GT, as they both become businessmen. He Trains Zen sometimes if Vegeta don't want to train him. His personality is like Trunks from Z and GT. Goten and Trunks doing the fusion dance as their fusion counterpart, Gotenks.