In Dragon Ball Z, Goku's son Gohan ... Kamehameha; a technique once believed to take even the most talented martial artists at least 50 years of diligent training to master, after seeing it once ...

Goku even turns into a Great Ape, prompting Roshi to blow up the moon with a Kamehameha ... puts Goten and Trunks in the spotlight, rather than Goku and Vegeta. Piccolo helps Gohan get his ...