text: Most versions of the Justice League feature a select cast of highly popular characters from the DC Comics portfolio, such as Superman, Batman and Wonder Woman, to attract readers with their star power; and they often co-feature a few lesser-known characters who benefit from exposure, such as Cyborg or Black Canary. DC Comics has in several periods deviated from this formula, most notably in the late 1980s and early 1990s with books such as Justice League International, which deliberately featured a cast of lesser-known characters. The advantage of this was that lesser-known characters are not burdened by convoluted continuities, which gave writers more creative flexibility to write character-driven stories. This was done to emulate the model of Marvel Comics' X-Men comic books, whose stories were more character-driven and which favored more obscure or new characters.
  The Justice League is an independent group, although it usually accepts some constraints from the U.S. government or the United Nations so as to receive their sanction. Particularly in the early decades of publication, DC Comics was keen for its superheroes to be perceived as law-abiding because children were the main audience. The cast is rarely more than a dozen people in size so as to give a reasonable and equal time for each character. While sometimes the League is shown to have a designated chairperson or leader, there is otherwise no hierarchy; they are a small band of equals who make major decisions, such as inducting new members, by vote.