According to Jiraiya, Naruto strongly resembles his father he has yellow-blond, spiky hair and blue eyes while inheriting the shape of his mother's eyes and face. His trademark characteristics are the three whisker markings on his cheeks. During the Fourth Shinobi World War, Dan Katō initially mistook Naruto for Nawaki due to their stark resemblance. Naruto was rather short for his age during Part I, though he grew to be taller than Sakura in Part II.