She proceeds to trick every man in the bar to buy her free drinks and seduces her way into winning many a poker games. Its only when she leaves with her winnings that everyone discovers that she was actually a he.
And attacks the bartender claiming he (the bartender) has "special Aura". And then, he is dragged away from the bar by Lucario, who apologizes everyone for incindent, blaiming it on Riolu's inexperience. Years later.... The bartender saves the world. ( sounds like a cool idea for a fanfic!)