High Quality Content by WIKIPEDIA articles! The Chief, real name Dr. Niles Caulder, Ph.D., is a fictional character from DC Comics and the leader of the Doom Patrol. He first appeared in My Greatest Adventure #80 (June 1963). Co-creator Arnold Drake has confirmed in an interview that his inspiration for The Chief was the works of Sir Arthur Conan Doyle, specifically Sherlock Holmes` elder brother, Mycroft.