Naruto is an orphan who has a dangerous fox-like entity known as Kurama the Nine-Tailed Fox sealed within his body by his father, the Fourth Hokage Minato Namikaze, the leader of Konoha's ninja force, at the cost of his own life and that of his wife, Kushina Uzumaki. the Shadow Clone jutsu allows him to create what's essentially an army of himself and overpower most opponents.