diff --git a/Assets/Scripts/Editor/HumanBoneNameCopier.cs b/Assets/Scripts/Editor/HumanBoneNameCopier.cs
new file mode 100644
index 00000000..81edb560
--- /dev/null
+++ b/Assets/Scripts/Editor/HumanBoneNameCopier.cs
@@ -0,0 +1,315 @@
+using UnityEngine;
+using UnityEditor;
+using System.Collections.Generic;
+
+public class HumanBoneNameCopier : EditorWindow
+{
+    private GameObject sourceAvatar;
+    private GameObject targetAvatar;
+    private Vector2 scrollPosition;
+    private bool showAdvancedOptions = false;
+    private bool copyAllBones = true;
+    private Dictionary<HumanBodyBones, bool> boneSelection = new Dictionary<HumanBodyBones, bool>();
+
+    [MenuItem("Tools/Human Bone Name Copier")]
+    public static void ShowWindow()
+    {
+        GetWindow<HumanBoneNameCopier>("Human Bone Name Copier");
+    }
+
+    private void OnEnable()
+    {
+        InitializeBoneSelection();
+    }
+
+    private void InitializeBoneSelection()
+    {
+        boneSelection.Clear();
+        foreach (HumanBodyBones bone in System.Enum.GetValues(typeof(HumanBodyBones)))
+        {
+            if (bone != HumanBodyBones.LastBone)
+            {
+                boneSelection[bone] = true;
+            }
+        }
+    }
+
+    private void OnGUI()
+    {
+        GUILayout.Label("Human Bone Name Copier", EditorStyles.boldLabel);
+        EditorGUILayout.Space();
+
+        // 소스 아바타 선택
+        EditorGUILayout.BeginHorizontal();
+        GUILayout.Label("Source Avatar:", GUILayout.Width(100));
+        sourceAvatar = (GameObject)EditorGUILayout.ObjectField(sourceAvatar, typeof(GameObject), true);
+        EditorGUILayout.EndHorizontal();
+
+        // 타겟 아바타 선택
+        EditorGUILayout.BeginHorizontal();
+        GUILayout.Label("Target Avatar:", GUILayout.Width(100));
+        targetAvatar = (GameObject)EditorGUILayout.ObjectField(targetAvatar, typeof(GameObject), true);
+        EditorGUILayout.EndHorizontal();
+
+        EditorGUILayout.Space();
+
+        // 고급 옵션 토글
+        showAdvancedOptions = EditorGUILayout.Foldout(showAdvancedOptions, "Advanced Options");
+        
+        if (showAdvancedOptions)
+        {
+            EditorGUI.indentLevel++;
+            copyAllBones = EditorGUILayout.Toggle("Copy All Bones", copyAllBones);
+            
+            if (!copyAllBones)
+            {
+                EditorGUILayout.Space();
+                GUILayout.Label("Select Bones to Copy:", EditorStyles.boldLabel);
+                
+                scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition, GUILayout.Height(200));
+                
+                foreach (var bone in boneSelection)
+                {
+                    boneSelection[bone.Key] = EditorGUILayout.Toggle(bone.Key.ToString(), bone.Value);
+                }
+                
+                EditorGUILayout.EndScrollView();
+            }
+            
+            EditorGUI.indentLevel--;
+        }
+
+        EditorGUILayout.Space();
+
+        // 정보 표시
+        if (sourceAvatar != null)
+        {
+            var sourceAnimator = sourceAvatar.GetComponent<Animator>();
+            if (sourceAnimator != null && sourceAnimator.avatar != null)
+            {
+                EditorGUILayout.HelpBox($"Source Avatar: {sourceAvatar.name}\n" +
+                                       $"Human Bone Count: {GetHumanBoneCount(sourceAnimator)}", 
+                                       MessageType.Info);
+            }
+        }
+
+        if (targetAvatar != null)
+        {
+            var targetAnimator = targetAvatar.GetComponent<Animator>();
+            if (targetAnimator != null && targetAnimator.avatar != null)
+            {
+                EditorGUILayout.HelpBox($"Target Avatar: {targetAvatar.name}\n" +
+                                       $"Human Bone Count: {GetHumanBoneCount(targetAnimator)}", 
+                                       MessageType.Info);
+            }
+        }
+
+        EditorGUILayout.Space();
+
+        // 버튼들
+        EditorGUILayout.BeginHorizontal();
+        
+        GUI.enabled = sourceAvatar != null && targetAvatar != null;
+        
+        if (GUILayout.Button("Copy Bone Names"))
+        {
+            CopyBoneNames();
+        }
+        
+        if (GUILayout.Button("Preview Changes"))
+        {
+            PreviewChanges();
+        }
+        
+        EditorGUILayout.EndHorizontal();
+        
+        EditorGUILayout.Space();
+        
+        // 추가 기능 버튼
+        EditorGUILayout.BeginHorizontal();
+        
+        GUI.enabled = targetAvatar != null;
+        
+        if (GUILayout.Button("Add 'zindnick : ' to Non-Human Bones"))
+        {
+            AddPrefixToNonHumanBones();
+        }
+        
+        GUI.enabled = true;
+        
+        EditorGUILayout.EndHorizontal();
+
+        EditorGUILayout.Space();
+
+        if (GUILayout.Button("Clear Selection"))
+        {
+            sourceAvatar = null;
+            targetAvatar = null;
+        }
+    }
+
+    private int GetHumanBoneCount(Animator animator)
+    {
+        if (animator == null || animator.avatar == null) return 0;
+        
+        int count = 0;
+        for (int i = 0; i < (int)HumanBodyBones.LastBone; i++)
+        {
+            if (animator.GetBoneTransform((HumanBodyBones)i) != null)
+            {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    private void CopyBoneNames()
+    {
+        if (sourceAvatar == null || targetAvatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Please select both source and target avatars.", "OK");
+            return;
+        }
+
+        var sourceAnimator = sourceAvatar.GetComponent<Animator>();
+        var targetAnimator = targetAvatar.GetComponent<Animator>();
+
+        if (sourceAnimator == null || sourceAnimator.avatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Source avatar must have an Animator component with a valid Avatar.", "OK");
+            return;
+        }
+
+        if (targetAnimator == null || targetAnimator.avatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Target avatar must have an Animator component with a valid Avatar.", "OK");
+            return;
+        }
+
+        Undo.RecordObject(targetAvatar, "Copy Human Bone Names");
+
+        int copiedCount = 0;
+
+        for (int i = 0; i < (int)HumanBodyBones.LastBone; i++)
+        {
+            HumanBodyBones bone = (HumanBodyBones)i;
+            
+            if (!copyAllBones && boneSelection.ContainsKey(bone) && !boneSelection[bone])
+            {
+                continue;
+            }
+
+            Transform sourceBone = sourceAnimator.GetBoneTransform(bone);
+            Transform targetBone = targetAnimator.GetBoneTransform(bone);
+
+            if (sourceBone != null && targetBone != null)
+            {
+                targetBone.name = sourceBone.name;
+                copiedCount++;
+            }
+        }
+
+        EditorUtility.SetDirty(targetAvatar);
+        AssetDatabase.SaveAssets();
+
+        EditorUtility.DisplayDialog("Success", 
+            $"Successfully copied {copiedCount} bone names from {this.sourceAvatar.name} to {this.targetAvatar.name}.", 
+            "OK");
+    }
+
+    private void PreviewChanges()
+    {
+        if (sourceAvatar == null || targetAvatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Please select both source and target avatars.", "OK");
+            return;
+        }
+
+        var sourceAnimator = sourceAvatar.GetComponent<Animator>();
+        var targetAnimator = targetAvatar.GetComponent<Animator>();
+
+        if (sourceAnimator == null || sourceAnimator.avatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Source avatar must have an Animator component with a valid Avatar.", "OK");
+            return;
+        }
+
+        if (targetAnimator == null || targetAnimator.avatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Target avatar must have an Animator component with a valid Avatar.", "OK");
+            return;
+        }
+
+        string previewText = "Preview of bone name changes:\n\n";
+
+        for (int i = 0; i < (int)HumanBodyBones.LastBone; i++)
+        {
+            HumanBodyBones bone = (HumanBodyBones)i;
+            
+            if (!copyAllBones && boneSelection.ContainsKey(bone) && !boneSelection[bone])
+            {
+                continue;
+            }
+
+            Transform sourceBone = sourceAnimator.GetBoneTransform(bone);
+            Transform targetBone = targetAnimator.GetBoneTransform(bone);
+
+            if (sourceBone != null && targetBone != null)
+            {
+                previewText += $"{bone}: {targetBone.name} → {sourceBone.name}\n";
+            }
+        }
+
+        EditorUtility.DisplayDialog("Preview", previewText, "OK");
+    }
+
+    private void AddPrefixToNonHumanBones()
+    {
+        if (targetAvatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Please select a target avatar.", "OK");
+            return;
+        }
+
+        var targetAnimator = targetAvatar.GetComponent<Animator>();
+
+        if (targetAnimator == null || targetAnimator.avatar == null)
+        {
+            EditorUtility.DisplayDialog("Error", "Target avatar must have an Animator component with a valid Avatar.", "OK");
+            return;
+        }
+
+        // 휴먼본 목록 수집
+        HashSet<Transform> humanBones = new HashSet<Transform>();
+        for (int i = 0; i < (int)HumanBodyBones.LastBone; i++)
+        {
+            Transform humanBone = targetAnimator.GetBoneTransform((HumanBodyBones)i);
+            if (humanBone != null)
+            {
+                humanBones.Add(humanBone);
+            }
+        }
+
+        Undo.RecordObject(targetAvatar, "Add Prefix to Non-Human Bones");
+
+        int modifiedCount = 0;
+        Transform[] allTransforms = targetAvatar.GetComponentsInChildren<Transform>();
+
+        foreach (Transform transform in allTransforms)
+        {
+            // 휴먼본이 아니고, 이미 접두사가 없는 경우에만 추가
+            if (!humanBones.Contains(transform) && !transform.name.StartsWith("zindnick : "))
+            {
+                transform.name = "zindnick : " + transform.name;
+                modifiedCount++;
+            }
+        }
+
+        EditorUtility.SetDirty(targetAvatar);
+        AssetDatabase.SaveAssets();
+
+        EditorUtility.DisplayDialog("Success", 
+            $"Successfully added 'zindnick : ' prefix to {modifiedCount} non-human bones in {targetAvatar.name}.", 
+            "OK");
+    }
+} 
\ No newline at end of file
diff --git a/Assets/Scripts/Editor/HumanBoneNameCopier.cs.meta b/Assets/Scripts/Editor/HumanBoneNameCopier.cs.meta
new file mode 100644
index 00000000..1bb30f51
--- /dev/null
+++ b/Assets/Scripts/Editor/HumanBoneNameCopier.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 0f15a4073776b12498e7afd36311f380
\ No newline at end of file