Created by demonic aliens

Initially driven by their fathers' evil plans (Gerald/Piccolo Daimao/Black Doom wanted to rule/destroy the world)

Have a good dad and a bad dad

Former villains

Rivaled protagonist and still butt heads with him

Teamed up with protagonist to save the world

Sacrificed themselves fighting a powerful enemy (Nappa, Biolizard)

Alien fangs

Usually alone

Almost turned evil again

Arrogant, serious, edgy

Dedicated to protecting the earth

Morality influenced by a kid close to their age

Longevity

Show up to make the save and then get jobbed