He is uultra powerful as he is sexy, but did i mention that already? Anyways, he is the son of Goku & Chichi (yes, thats` a name) It is truly a shame that he is not a real life person.
But that is life is as it is.
1. Gohan is the name of the old human martial artist or unrelated grandpa that raised Goku in Dragon Ball
2. The Son of Goku named Gohan in respect and honor to his granpa. Also a Half - Saiyan born of a human mother named Chi Chi
2. Gohan trained hard with Piccolo to fight the saiyans that came to Earth and soon later fought and defeated Cell in Super Saiyainjin 2