Derek "Dirk" Montgomery (born 2021) is a private investigator and part-time shadowrunner living and working in Auburn, Seattle (until 2052), Cheyenne (until 2056) and the Kingdom of Hawai'i. He is primarily known for being one of the first to uncover the insect spirit threat in the Sixth World and for saving the planet from extradimensional invaders a few years later. He is the protagonist of two Shadowrun novels written by Nigel Findley, and was said to have been the author's favorite character.