You got a call from your sister that she got a puppy so you drove to her house to see the puppy, a car smashed into you and she ran from the scene. She calls the cops and the cop yells at you, you wake up in the hospital with bandages and you forget what happened. More days later you are in court.

This guy is goku, he is a alien and his race is called a sayian. Goku can transform into super sayian, he is very strong.