Hide enemy Character when it dead

Assets/Scripts/Character.cs

@@ -16,13 +16,16 @@ public abstract class Character : MonoBehaviour
 
     [SerializeField]
     private LayerMask _mapLayer;
+   
 
+    protected SpriteRenderer _spriteRenderer;
 
 
     private Rigidbody2D _body;
     private CapsuleCollider2D _capsuleCollider;
     protected bool _isOnBridge;
     private bool _isOnLadder = false;
+
     protected bool _isFalling;
     protected bool _facingRight = true;
 
@@ -37,7 +40,7 @@ public abstract class Character : MonoBehaviour
     {
         _body = GetComponent<Rigidbody2D>();
         _capsuleCollider = GetComponent<CapsuleCollider2D>();
-
+        _spriteRenderer = GetComponentInChildren<SpriteRenderer>();
         _cellSize = new Vector2(0.6f, 1f);
         Spawn();
     }

Assets/Scripts/EnemyAI.cs

@@ -9,7 +9,8 @@ public class EnemyAI : Character
     protected override void OnDeath()
     {
        _needRespawn = true;
-}
+       _spriteRenderer.enabled =false;
+    }
 
     protected override void SetClimbingAnimation(bool isClimbing)
     {
@@ -28,6 +29,7 @@ public class EnemyAI : Character
             {
                 _respawnElementTimer = _respawnTimeout;
                 _needRespawn = false;
+                _spriteRenderer.enabled =true;
                 Spawn();
             }
             return;

Assets/Scripts/Player.cs

@@ -30,7 +30,7 @@ public class Player : Character
     private GameObject _hammer;
 
     private bool _isHoldingHammer = true;
-    private SpriteRenderer _spriteRenderer;
+   
 
     public event EventHandler<TreasureType> OnPlayerTakeItem;
 
@@ -46,7 +46,7 @@ public class Player : Character
         Instance = this;
         DontDestroyOnLoad(gameObject);
 
-        _spriteRenderer = GetComponentInChildren<SpriteRenderer>();
+        
     }
 
     public void AddCoin()