Complex sentence: Robin is the name of several fictional superheroes appearing in American comic books published by DC Comics, originally created by Bob Kane, Bill Finger and Jerry Robinson, as a junior counterpart to superhero Batman.
Split into simpler sentences: Robin is the name of several fictional 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 to superhero Batman.