Creator
Arnold Drake, Carmine Infantino
Bob Mcleod, Chris Claremont
In Comics
Strange Adventures #205 - Who Has Been Lying In My Grave?
Marvel Graphic Novel #4 - The New Mutants: Renewal
Base
Mobile, Realm of the Just Dead
(current) X-Factor Investigations, New York City (former)Professor Xaviers School of Gifted Youngsters, Salem Center, Westchester County, New York; Muir Island, Scotland; X-Factor headquarters, Embassy Row, Washington, D.C.; X-Factor Headquarters, New Yo