I actually wanted to play it again, but I was too busy with work until they fired me so I guess I should go plug my Wii in again.
Riki is the worst character and one of the worst AI in the entire game. At least Reyn has proper AI and knows how to tank, he's one of the most useful characters in the game, and his voice is actually fitting.
Melia + Shulk + Fiora topple spam or bust.
P.S. Melia is best girl.