Although Batman was first called “the Dark Knight” in Batman #1 (1940), writers for DC were also using the nickname to describe their own heroes, as seen here for the Spectre and Starman from October 1942.
Although Batman was first called “the Dark Knight” in Batman #1 (1940), writers for DC were also using the nickname to describe their own heroes, as seen here for the Spectre and Starman from October 1942.