In the Prologue you can find a lot of different enemies patrol the zone or in specific zones.
The Junkies are a specific type of enemies that you can find walk randomly on the map. The Junkie will insult you if you walk near to him, and this enemy only will attack you if you walk close to him.
The Junkie doesn't have high damage or epic skills, just will jump and attack with punches and kicks. In general, is a weak enemy.
You can find Dogs patrol the zone of the Harbor, take care with this enemy, sometimes can alert other enemies and has medium damage with quick attacks. Anyway, you can easily evade Dogs and when you attack him (with any weapon) will try to evade you all the time.
Militia - Melee
The Militia enemies are the strongest normal enemies you can find, they have a good repertory of weapons and high damage in his attacks.
The Melee enemy can drop you the Baton, that is a really good basic weapon with high durability and medium damage.
Militia - Ranged
The Ranged Militia enemy is like a mini-boss, this type of enemy doesn't have high life but has high damage and can attack from a long distance with his Crossbow and if you try to attack him in the near distance, you will get kicked by him.