Template:Realworld Jose "JAG" Guillen was a comic book artist specializing in inking, and a member of "Team Tron".
During his time in the industry from the mid-1990s through to the early 2000s, Guillen worked primarily for Top Cow working on a variety of titles including Spirit of Tao and Witchblade (both with D-Tron and Billy Tan). During that time, he also worked on The Darkness.
In 1996, he contributed some inking assists to Star TreX, both as a freelance artist and as a member of Team Tron.