Quote Originally Posted by manwhohaseverything View Post
That's not the reason..Dragon ball and z was structured around a flat arc character and goku is that.Gohan has ups and downs.He is has arcs.Him letting go had a build and conclusion(pay off).Goku requires none of that.Goku doesn't change.He changes people.
So, you are saying Goku is the modern Spider-Man (Peter Parker) of Manga/Anime never changing on a character level but changing those around him via his actions, seems about right.