Writer of comic books and novels. He's done prominent work at [[Vertigo Comics]], including ''[[Lucifer (Comic Bookcomics)|Lucifer]]'' and a run on ''[[Hellblazer]]'', as well as ''[[Crossing Midnight]]'' and the currently ongoing ''[[The Unwritten]]''. He's also done mainstream superhero work at [[Marvel Comics]], including ''[[Ultimate Fantastic Four]]'' and a long run on ''[[X-Men (Comic Book)|X-Men]]''. On his own time, he works on his [[Felix Castor]] novels.