Keep article rather than merge.  After a quick search, article can easily be expanded in regards to out of universe content.  Notable series of games for which interviews, previews, and reviews actually do cover the development and reception of these characters in detail.  The article serves both a navigational function and illustrative purpose that aids readers' understanding of the main game articles, just as would a list of Academy Award winners help our article on that award.  Bosses in these games are familiar to millions of people around the world.  Sincerely, My talk