Sigil is an American comic book series published by CrossGen Entertainment from July 2000 to December 2003, ending at issue forty-two. Sigil was one of the publisher's first four titles (the others are Mystic, Scion, and Meridian), a science fiction space opera, originally created by Mark Alessi and Gina M. Villa. The book is one of many from the publisher that took place in the Sigilverse, or the CrossGen universe.In 2011, Sigil was part of Marvel Comics' relaunch of the Crossgen Universe.