John Higgins is a British comic book artist and writer known for his work as a colorist on landmark titles such as Watchmen and Batman: The Killing Joke. His career began in the late 1970s, contributing artwork to UK publications like 2000 AD, where he illustrated various stories. Over the years, Higgins has worked with major publishers like DC Comics and Marvel, showcasing his versatile talent in both art and writing across a variety of projects. His distinctive coloring work has left a lasting impact on the comic industry.