The elderly chief of Tir Chonaill. Despite the graying hair and wrinkles on his face, he is solidly built with a youthful charisma. Duncan is obviously a man with many stories to tell from his past(it is rumored that Duncan was once a famous warrior). Because of his compassion, gentleness, and wisdom gained through the years, he is greatly respected and sought after by townspeople to settle disputes. The swordsman Teacher Ranald, who was trained under Duncan, especially has an unparalleled level of respect for the Chief.
Insid of his house, there is a strange cat. Duncan says it just walked inside of his house one day, and he decided to keep it.