Sean Chen is an American comic book artist who started his career at Valiant Comics, penciling their flagship title, X-O Manowar, as well as Bloodshot, Harbinger, and Rai and the Future Force. After Valiant, he then moved on to Marvel Comics, where he drew Iron Man for over three years. His other works include Wolverine, Elektra, the maxi-series X-Men: The End, and Nova.
Jim Calafiore is an American comic book penciller and inker, known for his work on Marvel Comics Exiles, and DC Comics' Aquaman. His other work includes Faction Paradox, and writing Marvel's Exiles and Millennium Visions.