The Holyoke Publishing Company was an American magazine and comic-book publisher with offices in Holyoke, and Springfield, Massachusetts, and New York City, Its best-known comics characters were Blue Beetle and the superhero duo Cat-Man and Kitten, all inherited from defunct former clients of Holyoke's printing business.

Blue Beetle is the name of three superheroes appearing in a number of American comic books published by a variety of companies since 1939. The most recent of the companies to own rights to Blue Beetle is DC Comics, which bought the rights to the character in 1983, using the name for three distinct characters over the years.