Flanderization
... that oversimplifying a fictional character over the course of a show's run is called Flanderization, after Ned Flanders of The Simpsons?
... that oversimplifying a fictional character over the course of a show's run is called <b id="mwBIA"><a href="./Flanderization" id="mwBIE" rel="mw:WikiLink" title="Flanderization">Flanderization</a></b>, after <a href="./Ned_Flanders" id="mwBII" rel="mw:WikiLink" title="Ned Flanders">Ned Flanders</a> of <i id="mwBIM"><a href="./The_Simpsons" id="mwBIQ" rel="mw:WikiLink" title="The Simpsons">The Simpsons</a></i>?