Naruto: energetic, determined, and sometimes impulsive, 12 years old Sasuke: smart, ambitious, stubborn, likes challenging, and arrogant ninja, 13 years old Sakura: intelligent, courageous, and compassionate, 12 years old Hinata: timid, soft-spoken, thoughtful, polite and very shy, 12 years old Kiba: short-tempered and impulsive, 13 years old Shino: calm, collected, and solitary person, 13 years old