Add a very basic enemy

Characters/Enemy.gd

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+extends Node2D
+
+export var map_position : Vector2 = Vector2.ZERO
+
+var target_position : Vector2 = Vector2.ZERO
+var moving : bool = false
+
+
+func _physics_process(delta):
+	
+	# If the 2 positions are close enough, then not moving
+	moving = false if target_position.round() == position.round() else true
+	
+	if not moving: return
+	
+	#TODO: Replace with tween magic
+	position += (target_position - position)/2.5

Characters/Enemy.tscn

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+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://icon.png" type="Texture" id=1]
+[ext_resource path="res://Characters/Enemy.gd" type="Script" id=2]
+
+[node name="Enemy" type="Node2D" groups=["Enemy"]]
+script = ExtResource( 2 )
+
+[node name="Sprite" type="Sprite" parent="."]
+modulate = Color( 1, 0, 0, 1 )
+texture = ExtResource( 1 )