Goku

Goku is the main character of DB/DBZ/DBZBOG/ and he makes his debute in Dragonball when he lands on Earth in a spacepod. Later in DBZ he fights his unknown brother, Raditz. Then he learns that he is not in fact a human, but he is a saiyan. Later after, they defeat another saiyan, Vegeta. after they defeat him Gohan, Bulma and Krillin go to Namek to revive their fallen friends, including Piccolo witchs prevents them from using the Earth's Dragonballs because Kami is dead aswell. After Krillin, Gohan and the evil Vegeta, who is now good, have trouble with the Ginyu Force, Goku arives at the nick of time! he easily beats Recoome with a punch and then faces off against Ginyu, their leader. After Ginyu uses his change technique, Goku reverses it because Vegeta beats Ginyu and he changes back into himself, then Vegeta puts Goku in a healing chamber to recover, but at that moment Frieza came! and he didn't look so happy! Vegeta tries to defeat Frieza but he undergoes his 2nd transformation! after failing, Krillin is near dead because Frieza used his horns to stab Krillin in the chest! after seeing that Gohan charges a masenko wave at Frieza so hard that Frieza senpt down for the count! but unfortinutely he didn't die yet! but Piccolo arrived to the scene! he put up a decent fight with Frieza but then Frieza went to his third transformation! Frieza instantly threw a barrage of ki blast beams at Piccolo and he was severly hurt. But Vegeta managed to hold up the fight until Frieza underwent his final form! Frieza easily beat Vegeta 'til he was down for the count! Goku arrived just in time to witness Vegeta's death by Frieza's death beam! after Goku launches a spirit bomb at Frieza, he survives it! then Frieza almost killed Piccolo with his death beam and then Frieza killed Krillin! after witnissing his best friend's death, he went super saiyan! 9 hours went by after goku faces off against 100 percent Frieza he finally defeats Frieza by using a yellow kamehameha wave!

After the hero's apparent death in Namek's explosion Frieza travels to Earth alongside his father, King Cold, who rebuilded Frieza's extremely damaged body into a mechanical new form. During this time, Goku learned the Instant Transmission in another planet and went back to Earth. Frieza arrived moments before, only to meet his true end at the hands of a mysterious Saiyan warrior (Future Trunks) who also had the ability to transform into Super Saiyan. Not only Frieza died but his entire escort and his father. Moments after the battle, a spaceship landed abruptly, containing the ever-smiling Goku, finally back on Earth, starting the Android saga.