 In 1999 it became an animated series on "Fox Kids".During this period, Miller became one of the founding members of the comic imprint Legend, under which many of his Sin City works were released, via Dark Horse.Written and illustrated by Frank Miller with painted colors by Varley, "300" was a 1998 comic-book miniseries, released as a hardcover collection in 1999, retelling the Battle of Thermopylae and the events leading up to it from the perspective of Leonidas of Sparta.