I mained Gouken in SSF4 (past tense, I HATE that game), and I [am trying to] main Tager in BB. I always like to play low tier characters in fighting games. If a "skilled player has to work hard to pull out wins", that character has me sold. That being said, I'm hopeless when it comes to fighting games, so I pick low tier characters because I know that if I win, that victory was deserved.
I also like having an excuse when I lose...