Gafford moved to San Francisco in September 1976, then to Los Angeles in 1977 to color and write for the Hanna-Barbera comics produced for Marvel Comics. Titles included "Yogi Bear", "The Flintstones", "Scooby-Doo", "Laff-A-Lympics" and others. During this time, Gafford also worked in Hanna-Barbera's layout department on such TV shows as "Godzilla" and "Super Friends" before returning to New York City in August 1978. Gafford went to work in Marvel Comics' production department, first as a freelancer then as the staff typesetter.