Robin is the alias of several superheroes appearing in American comic books published by DC Comics. The character was originally created by Bob Kane, Bill Finger, and Jerry Robinson, to serve as a junior counterpart and the sidekick to the superhero Batman. As a team, Batman and Robin have commonly been referred to as the Caped Crusaders and the Dynamic Duo. The character's first incarnation, Dick Grayson, debuted in Detective Comics #38 (April 1940). Conceived as a way to attract young readership, Robin garnered overwhelmingly positive critical reception, doubling the sales of the Batman titles. Robin's early adventures included Star Spangled Comics #65–130 (1947–1952), the character's first solo feature. He made regular appearances in Batman-related comic books and other DC Comics public