Katara thought taking a 12-year-old Korra on her Avatar journey would be simple because she helped end the 100 year war and has been floating any threats to world peace since, but things get very complicated when Fire Lord Zuko decides to tag along. Subscribe and like the video please :D Suscribanse y denle manita arriba al video porfavor :´D. Zuko (16) Nickelodeon The series' oldest major character, Zuko, is caught directly between youth an adulthood, his uncle and his father, and one angsty head of hair and another.