Villager: Atlas
Archer: Leon
Mage: Tie between Sonya and Delthea
Knight: My boy Lukas
Cleric: Faye, this ones an interesting one but I actually like Faye as a Cleric.
Mercenary: Saber/Dio
Pegasus Knight: Palla, her animation for killing an enemy is one of the best in SoV
Cavalier: Mathilda