User blog comment:KidVegeta/Announcing My Next Story/@comment-3256091-20101228095529/@comment-3097771-20101229194440

Goku's and Vegeta's personalities aren't actually all that different, morality aside.

Gohan's much more interesting to pair with Vegeta, for quite a few reasons. I think for one, that their fighting styles are so different that it would be fun to see how the new character would cope. -KidVegeta