- Allows his five year old son to go off with Krillin and Bulma to another planet millions of light years away while he recovers, not knowing what's out there.
- Decides to spend the one day he has allowed back on Earth to fight in a tournament, as opposed to bonding with his seven year old son who he hasn't met before.
- Forces his kids into extreme martial arts, even when neither of them want to.
- Abandons his 17 year old son to go train a kid he's just met.
- Doesn't pay attention to his childrens' interests, nor their academic needs.
And this guy's the hero?
What a douche.