Commercial fiction is written to entertain, but audiences can be very picky about the type of story they want to read or watch. Most genres engage the same issues as literary and mainstream, but they engage the issues within the genre framework, disguising a familiar topic in the trappings of their genre.
humor writing
Engaging Characters 103-01
Within the story all characters must engage the audience, which is to spark and maintain the audience’s interest and attention. A good character needs to do two things: advance the plot, and reveal interesting details about themselves.