Duncan MacLeod is a fictional character from the television series Highlander, which aired from 1992 to 1998. He is portrayed as an immortal Scottish swordsman who has lived for centuries, gaining wisdom and skills through his experiences. Duncan is known for his strong moral code and his commitment to protecting humanity. As a member of the Highlander universe, Duncan participates in battles against other immortals, seeking to be the last one standing. He wields a katana and often faces challenges from both friends and foes. His character explores themes of honor, friendship, and the consequences of immortality.