I've been playing Tekken since 1995 man. Kazuya, Heihachi, Nina, Paul, Yoshi, King, Law, Kuma, Jack, and Chang??!!? Literally every single game they are in or missed one game total. Off the top of my head I think only Kazuya missed Tekken 3 for Jin (who also has been in every game since) in that group. Or how about the Kazama/Mishima family tree storylines?
I remember the last game where everyone was clamoring for Kunimitsu (very similar to the Havik/Fujin/other garbo 3D chars), and when she was added barely anyone used her. No one truly cares about the obscure characters. Mind-boggling some people don't understand why mainstay characters, well, stay.