In Comics
Ghost Rider Vol 2 #1 (September, 1973)
Giant-Size X-Men #1 - Deadly Genesis
Occupation
Ruler of Hell, former Demonologist, occult investigator, exorcist and priest
(current) Adventurer, student, (former) Artist
Base
Hell, formerly San Francisco, California
(current) Professor Charles Xaviers Institute for Higher Learning, Salem Center, Westchester County, New York (former) Muir Isle, Scotland,; a loft in Soho, Manhattan, Ust-Ordynski Collective, Lake Baikal, Siberia, U.S.S.R., X-Men Headquarters in Austra