Peasant: Just the basic enemy. Weak and not particularly fast.
Torch Bearer: Same as the peasant but carries a torch.
Lumberjack: Slightly stronger than the peasant. Its attack has a damage bonus against plants.
Hunting Dog: Weaker than the peasant but much faster.
Militiaman: Stronger than the Lumberjack. This guy is tough.
Sheep: Weak and slow but with the ability to eat grass and destroy your defenses.
Mercenary: Stronger than the militiaman and even tougher.
Hunter: Slightly stronger than a peasant but with the ability to shoot arrows from a distance.
More to come soon...
