Geku

Junior's direct opposite. Always energetic, despite being half-demon. Born on Planet Vegeta, he has Saiyan Blood running through him. His vicious counterpart is x2 stronger, making him more bloodthirsty. he is also the most infamous saiyan there is and is one of the most powerful characters in all of history

Personality
Never calm, he always wants to fight. Known as vicious in counterpart. Lashing out at people mostly, for stupid things.

Story
Early ages hasn't shown yet.

16 years old: Entering school, he meet the world's strongest. Defeated the saiyan named Kazi, she later became his girlfriend. And when he was a child he had a best friend on a different planet his name was Junior later on when they got older they were the multiverse's strongest saiyans to ever live