Trunks

Future Trunks is a fictional character from the  franchise by Akira Toriyama. He is the half-Saiyan son of Vegeta IV, the prince of the dying race of fictional aliens called the Saiyans, and Bulma, the heir of a massive company called Capsule Corporation.

Character description
Future Trunks appeared in the Android Saga of Dragon Ball Z and in the Black Goku Saga of Dragon Ball Super. He come back to the past to change his terrible future, which is caused by the Androids and later Zamasu, with the help of Goku's team. Future Trunks is very different from the Trunks from the original timeline. Future Trunks is more peaceful while the other is more childish and immature, however, the original one has become a Super Saiyan as a kid.

In Super Smash Flash 2
Future Trunks makes a minor cameo appearance on the stage, Planet Namek, of Super Smash Flash 2. He is a background character, flying in the sky, alongside his father Vegeta and Gohan.