User blog comment:Murderous PuffBall/Help! I can't get Mr. Game And Watch in Melee!/@comment-24503190-20150314161607

Make sure you've unlocked all the following characters:
 * Luigi
 * Dr. Mario
 * Young Link
 * Ganondorf
 * Falco
 * Jigglypuff
 * Pichu
 * Mewtwo
 * Marth
 * Roy

If you haven't, then I'm not sure how to help you.