diff --git a/graphics/mr-croc-walk-left-christmas.png b/graphics/mr-croc-walk-left-christmas.png
new file mode 100644
index 0000000..bd85a4e
Binary files /dev/null and b/graphics/mr-croc-walk-left-christmas.png differ
diff --git a/graphics/mr-croc-walk-right-christmas.png b/graphics/mr-croc-walk-right-christmas.png
new file mode 100644
index 0000000..feb2dcb
Binary files /dev/null and b/graphics/mr-croc-walk-right-christmas.png differ
diff --git a/js/MrCroc.js b/js/MrCroc.js
index 84b1de1..460efec 100644
--- a/js/MrCroc.js
+++ b/js/MrCroc.js
@@ -6,10 +6,15 @@ export default class MrCroc extends Movable
 {
     constructor() {
         const SCALE = 2;
-        super(new RetroAnimation(Setting.GRAPHICS_LOCATION + 'mr-croc-walk-right.png', 2, SCALE), 7);
+
+        const month = new Date().getMonth();
+        const animationRight = month === 11 ? 'mr-croc-walk-right-christmas.png' : 'mr-croc-walk-right.png';
+        const animationLeft = month === 11 ? 'mr-croc-walk-left-christmas.png' : 'mr-croc-walk-left.png';
+
+        super(new RetroAnimation(Setting.GRAPHICS_LOCATION + animationRight, 2, SCALE), 7);
         this.isJumping = false;
-        this.addAnimation('WALK_RIGHT', new RetroAnimation(Setting.GRAPHICS_LOCATION + 'mr-croc-walk-right.png', 2, SCALE, 10));
-        this.addAnimation('WALK_LEFT', new RetroAnimation(Setting.GRAPHICS_LOCATION + 'mr-croc-walk-left.png', 2, SCALE, 10));
+        this.addAnimation('WALK_RIGHT', new RetroAnimation(Setting.GRAPHICS_LOCATION + animationRight, 2, SCALE, 10));
+        this.addAnimation('WALK_LEFT', new RetroAnimation(Setting.GRAPHICS_LOCATION + animationLeft, 2, SCALE, 10));
     }
 
     moveRight(timestamp, delta = 1)