Born in 1329 DR, Dulfan was a fishermen of Uthmerg in the Easting Reach until 1348 DR when a seawolf injured him. Dulfan managed to kill the monster but soon after Dulfan fell to the curse of lycanthropy.
He gathered around him some companions and started attacking ships in the Easting Reach and harassing the locathah of the Caverns of Khinas. In 1357 DR, Dulfan had gathered sixteen other seawolves to his side.
Dulfan was always been a greedy individual.