Bob is an artist best known for co-creating the New Mutants with writer Chris Claremont. Starting in production department at Marvel Comics in 1973, McLeod then went on to become a top inker at Marvel and DC on many series, including The Incredible Hulk, Conan the Barbarian, The Legion of Super Heroes, Detective Comics, Wonder Woman, and The New Titans, as well as penciling Star Wars and several Spider-Man fill-ins for Marvel.
McLeod drew the graphic novel and the first three issues of New Mutants and inked a number of subsequent issues. In 1987, he inked Mike Zeck’s pencils on the “Kraven’s Last Hunt” storyline in the Spider-Man titles. At DC Comics, he was the artist on Superman in Action Comics in the early 1990s.