At least 18 artists have used the Leviathan moniker: 1) Leviathan is the black metal project of American artist Jef Whitehead, aka 'Wrest'. He began the project in 1998. Though he was originally based in San Francisco, California, he later moved and is now located in Portland, Oregon. Leviathan was put on hold in October 2007 due to a legal dispute with the record label. Wrest brought the project back in January 2008 to release Massive Conspiracy Against All Life.