Hmmmmm ive never actually tried out his fireball jutsu.
but from what people are saying it must be really good!!!
it might not be grand fireball jutsu but it is more powerful than* kakashi's and sasuke fireball jutsu.
a kekegenkai is an ability passed through your bloodline. Examples include Haku's ability to create ice, the byakugan and the sharingan.
The uchiha clan is just a group of people with the sharingan from birth, in their family.
Awarded to ninja that participated in the Pimp My Ninja Ride Contest.