This is discussion archived from a time before the current discussion method was installed.
Working Title: Old Guard versus New Blood: From YKTTW
Pteryx: I'd call most of the "New Blood" examples so far In Name Only instead.
Masami Phoenix: Fair point, enough to cite the article anyway.
Koveras: So is this trope only about medium change? What about characters being introduced in the sequels (same medium) and displacing the old cast/making the way free for the old cast (by dying)? Do we have something like that?