diff --git a/pyshoot.py b/pyshoot.py
index 57a5cb2..0e6e3a8 100755
--- a/pyshoot.py
+++ b/pyshoot.py
@@ -25,6 +25,9 @@ class Globals:
 		self.moving_objects = pygame.sprite.RenderUpdates()
 		self.bullets_list = pygame.sprite.RenderUpdates()
 		self.bulletfactory = BulletFactory()
+		self.enemies_list = pygame.sprite.RenderUpdates()
+		self.player = None
+
 
 class Event:
 	def __init__(self):
@@ -158,9 +161,26 @@ class Player(Object):
 			if self.bullet_counter == self.bullet_threshold:
 				self.shoot()
 				self.bullet_counter = 0
-			else :
+			else:
 				self.bullet_counter += 1
 
+class Enemy(Object):
+	def __init__(self, frames, type, pos):
+		Object.__init__(self, frames, pos, (-1, 0))
+		self.counter = 0
+		self.threshold = 10
+
+	def update(self):
+		if self.counter == self.threshold:
+			self.rect.move_ip(self.speed)
+			self.count = 0
+		else:
+			self.counter += 1
+
+	def aim_player(self):
+		""" compute speed vector to aim at current player position """
+
+
 def init_gfx():
 	"""graphics initialisation"""
 	
@@ -181,11 +201,6 @@ def init():
 	#globals.event_type = {'create_enemeny' : create_enemey, 'vanish_object': vanish_object()}
 
 
-
-def create_enemy(type):
-	""" create an enemy """
-	pass
-
 def create_level():
 	""" phony level one"""
 
@@ -217,6 +232,8 @@ def process_key(event, player):
 			player.start_move((1, 0))
 		elif event.key == K_x:
 			player.start_shoot()
+		elif event.key == K_e:
+			globals.enemies_list.add(Enemy(['enemy1_1.bmp', 'enemy1_2.bmp'], 0, (500, 200)))
 		elif event.key == K_SPACE:
 			player.change_bullet_type()
 
@@ -277,6 +294,7 @@ nbframe = 0
 
 # create_player
 player = Player(['player1_1.bmp', 'player1_2.bmp'], (50, 50), (0, 0))
+globals.player = player
 
 # background
 globals.background = pygame.image.load(os.path.join('data', 'background.bmp')).convert()
@@ -290,10 +308,12 @@ while not globals.die:
 	# erase previously moved objects
 	globals.moving_objects.clear(globals.screen, globals.background)
 	globals.bullets_list.clear(globals.screen, globals.background)
+	globals.enemies_list.clear(globals.screen, globals.background)
 
 	# update game logic
 	globals.moving_objects.update()
 	globals.bullets_list.update()
+	globals.enemies_list.update()
 	
 	# add player (if it's not already in the group). ugly, but ok for now.
 	globals.moving_objects.add(player)
@@ -301,6 +321,7 @@ while not globals.die:
 	# drawing
 	rectlist = globals.moving_objects.draw(globals.screen)
 	rectlist.extend(globals.bullets_list.draw(globals.screen))
+	rectlist.extend(globals.enemies_list.draw(globals.screen))
 
 	pygame.display.update(rectlist)