Goten, born shortly after the Cell
Saga. He is Goku's second son and was conceived shortly before Goku's death
Cell Saga. Goten plays a big part in the series after he goes super saiya-jin at the age of 5. During his childhood he becomes
great friends with Chibi (baby/non-future) Trunks. They help each other alot during their battles and eventually they learn
the fusion technique(with the help of Piccolo and Goku) where Goten and Trunks become Gotenks.
However while Goten always had much potential, he never fully lived up
to it because of his funloving nature and his lack
of real discipline. Nevertheless he is a very important figure near the end of DBZ but by DBGT his role as a main character