goten z kid fighter and ressemblence of goku goten gt I WANNA GIRLFRIEND
trunks z kid fighter and ressemblence of future trunks trunks gt president of capsule corp
videl z fighter and lover of gohan videl gt WIFE of gohan and cant fight anymore
hercule z useful in buu saga hercule gt useful in baby saga LONG TIME DIFFERENCE
piccolo z useful by training goten and trunks piccolo gt IN HELL AND BEATS THE CRAP OUT OF DEAD VILLIANS difference hes alive in z and dead in gt........
(gotta think of more)