Comics' Greatest World: Sourcebook — Dark Horse Comics
First appearances: Ruby, Monster, Rebel, Titan, King Tiger, Barb Wire, Grace, The Machine, Anita, Mecha, Butch, Vortex, Spike, Rhapsody, Duke, Warmaker, Ghost
Creators: Barbara Randall Kesel, Mark Farmer, Tim Bradstreet, Brian Apthorp, Jerry Prosser, Adam Hughes, Chris Warner, Paul Chadwick, Jan Duursema-Mandrake
Characters: Ruby, Monster, Rebel, Titan, X, King Tiger, Barb Wire, Grace, The Machine, Anita, Mecha, Butch, Vortex, Spike, Rhapsody, Duke, Warmaker, Ghost