Gohan is Goku's and Chi Chi's first son, making him ½ Saiyan. Gohan was born between Dragonball, and Dragonball Z. Most people think I'm wrong on this one but, Goku was the 'star' of Dragonball, Gohan is the 'star' of Dragonball Z, and of course Pan is the 'star' of Dragonball GT. Gohan's highest power is 72 million (e-mail me if it's any higher, cause I lost the power levels somewhere, so I had to look on the net). In the beginning of DBZ Gohan was 4-5 years old, that's when he was a sissy! And then Raditz came and took Gohan, and then Piccolo and Goku fought together to beat Raditz and won. Goku died. And piccolo took Gohan to train him. And developed the technique 'Masenko.' And then Frieza came and Gohan became one of the best Z fighters. And then Trunks came and then Cell and Gohan fought him, and whooped his green butt by being the first to reach SSJ 2 level. And through ever saga you can really tell Gohan is growing up (smaller than Krillin-to-as tall as Goku). Gets married to Videl and then has Pan.