Lin Beifong is a major character in The Legend of Korra and the chief of police in Republic City. She is the daughter of Toph Beifong and a highly skilled metalbender known for her strict discipline, toughness, and sense of duty. Lin often serves as an enforcer of law and order, frequently clashing with Korra and others when their actions threaten public safety. Despite her stern exterior, she is deeply loyal, courageous, and protective of the city and the people she serves.