diff --git a/data/caco.lua b/data/caco.lua
index 48ca356..c7a8b4b 100644
--- a/data/caco.lua
+++ b/data/caco.lua
@@ -22,7 +22,7 @@ function caco.new(_hab,_x,_y,_flip)
             draw=caco.draw,
             jumpfwd=false,
             anim={19,19,20,21},
-            bb={x=2,y=4,w=12,h=8} }
+            bb={x=4,y=4,w=24,h=16} }
 end
 
 function caco:draw()
@@ -36,25 +36,43 @@ function caco:draw()
 end
 
 function caco:update_normal()
-    self.wait=0
-    self.step=self.step+1
-    if self.step<50 then
-        self.frame=19
-    elseif self.step==70 then
-        self.frame=20
-    elseif self.step==80 then
-        self.frame=21
-    elseif self.step==90 then
-        self.step=0
+    self.wait=self.wait+1
+
+    if self.wait==6 then
+        self.wait=0
+        self.step=self.step+1
+        if self.step<8 then
+            self.frame=19
+        elseif self.step==12 then
+            self.frame=20
+        elseif self.step==13 then
+            self.frame=21
+        elseif self.step==15 then
+            self.step=0
+        end
     end
+    
     local step = 1
     if self.flip then step = -step end
-    if arc_check_tile(self.x+step,self.y+self.h)<tiletype.block then
+    local inc = 0
+    if self.flip then inc = self.bb.w end
+    
+    local check_x = self.x+self.bb.x+step
+    local check_ywall1 = self.y+self.bb.y
+    local check_ywall2 = self.y+self.h-2
+    if not self.flip then
+        check_x = self.x+self.bb.w+self.bb.x+step
+    end
+    
+    local check_no_wall1= arc_check_tile(check_x,check_ywall1)<tiletype.block
+    local check_no_wall2= arc_check_tile(check_x,check_ywall2)<tiletype.block
+    if check_no_wall1 and check_no_wall2 then
         self.x=self.x+step
     else
         self.flip=not self.flip
     end
 
+
     -- if self.hab==abad.hab then
     --     if aabb(abad,self) then
     --         abad_hurt(1)
diff --git a/data/game.lua b/data/game.lua
index 25adf6c..a6ed3d9 100644
--- a/data/game.lua
+++ b/data/game.lua
@@ -6,6 +6,7 @@ require "mapa"
 require "abad"
 require "cacau"
 require "caco"
+require "zombie"
 
 local tile_w = arcade_config.tiles_width
 local tile_h = arcade_config.tiles_height
@@ -34,6 +35,16 @@ function game_init(menu)
     table.insert( actors, caco.new(57,3,2,false) )
     table.insert( actors, caco.new(61,3,2,false) )
     
+    table.insert( actors, zombie.new(11,  3, 3,true) )
+    -- table.insert( actors, zombie.new(2,  3, 3,false) )
+    -- table.insert( actors, zombie.new(28, 3, 3,false) )
+    -- table.insert( actors, zombie.new(32, 3, 3,false) )
+    -- table.insert( actors, zombie.new(44, 3, 3,false) )
+    -- table.insert( actors, zombie.new(46, 3, 3,false) )
+    -- table.insert( actors, zombie.new(54, 3, 3,false) )
+    -- table.insert( actors, zombie.new(68, 3, 3,false) )
+    -- table.insert( actors, zombie.new(73, 3, 3,false) )
+    
     local abad_x, abad_y = arc_mapa_get_coords ( 10, 4, 3 )
     abad:move(abad_x, abad_y)
     
diff --git a/data/zombie.lua b/data/zombie.lua
new file mode 100644
index 0000000..3c6c771
--- /dev/null
+++ b/data/zombie.lua
@@ -0,0 +1,100 @@
+local arcade_config = require("arcade_config")
+o2aX = arcade_config.org2arc_escala
+cxr = arcade_config.character_per_row-1
+cxr2 = arcade_config.character_per_row_base2
+cw = arcade_config.character_width
+ch = arcade_config.character_height
+
+zombie={}
+
+function zombie.new(_hab,_x,_y,_flip)
+    local world_x, world_y = arc_mapa_get_coords(_hab,_x,_y)
+    return {hab=_hab,
+            x=world_x,
+            y=world_y,
+            w=arcade_config.sprite_size.w,
+            h=arcade_config.sprite_size.h,
+            flip=_flip,
+            frame=0,
+            wait=0,
+            step=0,
+            hit=zombie.hit,
+            update=zombie.update_normal, 
+            draw=zombie.draw,
+            jumpfwd=false,
+            anim={16,17,16,18},
+            bb={x=4,y=0,w=26,h=32}}
+end
+
+function zombie:draw()
+    -- if self.frame>0 then draw.surf((self.frame&7)*16,(self.frame>>3)*16,16,16,self.x,self.y,16,16,self.flip) end
+	-- if self.frame>0 then draw.surf((self.frame&7)*cw,(self.frame>>cxr2)*ch,cw,ch,self.x*o2aX,self.y*o2aX,cw,ch,self.flip) end
+    if self.frame>0 and viewp:inside(self.x, self.y, self.w, self.h) then
+        local scr_x, scr_y = viewp:screen_coords( self.x, self.y )
+        draw.surf((self.frame&7)*cw, (self.frame>>cxr2)*ch, cw, ch, scr_x, scr_y, cw, ch, self.flip)
+    end
+end
+
+function zombie:update_normal()
+    self.wait=self.wait+1
+    
+    if self.wait==18 then
+        self.wait=0
+        self.step=(self.step+1)%4
+        self.frame=self.anim[self.step+1]
+    end
+    
+    local step = 1
+    if self.flip then step = -step end
+    local inc = 0
+    if self.flip then inc = self.bb.w end
+    
+    local check_x = self.x+self.bb.x+step
+    local check_ywall = self.y+self.h-2
+    local check_yhole = self.y+self.h+1
+    if not self.flip then
+        check_x = self.x+self.bb.w+self.bb.x+step
+    end
+    
+    local check_no_wall= arc_check_tile(check_x,check_ywall)<tiletype.block
+    local check_no_hole= arc_check_tile(check_x,check_yhole)~=tiletype.void
+    if check_no_wall and check_no_hole then
+        self.x=self.x+step
+    else
+        self.flip=not self.flip
+    end
+
+    -- if self.hab==abad.hab then
+    --     if aabb(abad,self) then
+    --         abad_hurt(1)
+    --     end
+    -- end
+    
+        --if check_tile(self.hab,self.x+4,self.y+16)==tiletype.void and ((self.x+4)&7==0 or check_tile(self.hab,self.x+12,self.y+16)==tiletype.void) then
+        --    self.flip=not self.flip
+        --end
+end
+
+function zombie:update_hit()
+    self.wait=self.wait+1
+
+    if self.wait==6 then
+        self.wait=0
+        self.step=self.step+1
+        if self.step<40 then
+            if self.step%2==0 then
+                self.frame=16
+            else
+                self.frame=-1
+            end
+        elseif self.step>=40 then
+            self.step=0
+            self.wait=0
+            self.update=zombie.update_normal
+        end
+    end
+end
+
+function zombie:hit()
+    self.update=zombie.update_hit
+end