(written from a Production point of view)
Andy Walton was a comic book artist specializing in colors.
From 1993 through to 1996 he worked at Malibu Comics as a color designer on several titles including Ultraforce, Ultraverse, and The Night Man. His only work post-Malibu was on DC Comics' Scare Tactics.
Since leaving the industry, he worked for Platinum Studios as the VP of New Media Production, and has since moved to Washington, DC where he works as an account executive in a fund raising company.