diff --git a/CustomizePlus/Api/CustomizePlusIpc.General.cs b/CustomizePlus/Api/CustomizePlusIpc.General.cs
index 7e027d0..50e386b 100644
--- a/CustomizePlus/Api/CustomizePlusIpc.General.cs
+++ b/CustomizePlus/Api/CustomizePlusIpc.General.cs
@@ -4,7 +4,7 @@ namespace CustomizePlus.Api;
 
 public partial class CustomizePlusIpc
 {
-    private readonly (int Breaking, int Feature) _apiVersion = (4, 0);
+    private readonly (int Breaking, int Feature) _apiVersion = (5, 0);
 
     /// <summary>
     /// When there are breaking changes the first number is bumped up and second one is reset.
diff --git a/CustomizePlus/Api/CustomizePlusIpc.Profile.cs b/CustomizePlus/Api/CustomizePlusIpc.Profile.cs
index 765e252..5cb1556 100644
--- a/CustomizePlus/Api/CustomizePlusIpc.Profile.cs
+++ b/CustomizePlus/Api/CustomizePlusIpc.Profile.cs
@@ -30,7 +30,7 @@ public partial class CustomizePlusIpc
     /// /!\ If no profile is set on specified character profile id will be equal to Guid.Empty
     /// </summary>
     [EzIPCEvent("Profile.OnUpdate")]
-    private Action<ICharacter, Guid> OnProfileUpdate;
+    private Action<ushort, Guid> OnProfileUpdate;
 
     /// <summary>
     /// Retrieve list of all user profiles
@@ -125,12 +125,14 @@ private ErrorCode SetProfileStateInternal(Guid uniqueId, bool state)
     /// Get unique id of currently active profile for character.
     /// </summary>
     [EzIPC("Profile.GetActiveProfileIdOnCharacter")]
-    private (int, Guid?) GetActiveProfileIdOnCharacter(ICharacter character)
+    private (int, Guid?) GetActiveProfileIdOnCharacter(ushort gameObjectIndex)
     {
-        if (character == null)
+        var actor = _gameObjectService.GetActorByObjectIndex(gameObjectIndex);
+
+        if (actor == null || !actor.Value.Valid || !actor.Value.IsCharacter)
             return ((int)ErrorCode.InvalidCharacter, null);
 
-        var profile = _profileManager.GetProfileByCharacterName(character.Name.ToString(), true);
+        var profile = _profileManager.GetProfileByCharacterName(actor.Value.Utf8Name.ToString(), true);
 
         if (profile == null)
             return ((int)ErrorCode.ProfileNotFound, null);
@@ -143,14 +145,12 @@ private ErrorCode SetProfileStateInternal(Guid uniqueId, bool state)
     /// Returns profile's unique id which can be used to manipulate it at a later date.
     /// </summary>
     [EzIPC("Profile.SetTemporaryProfileOnCharacter")]
-    private (int, Guid?) SetTemporaryProfileOnCharacter(ICharacter character, string profileJson)
+    private (int, Guid?) SetTemporaryProfileOnCharacter(ushort gameObjectIndex, string profileJson)
     {
-        //todo: do not allow to set temporary profile on reserved actors (examine, etc)
-        if (character == null)
-            return ((int)ErrorCode.InvalidCharacter, null);
+        var actor = _gameObjectService.GetActorByObjectIndex(gameObjectIndex);
 
-        var actor = (Actor)character.Address;
-        if (!actor.Valid)
+        //todo: do not allow to set temporary profile on reserved actors (examine, etc)
+        if (actor == null || !actor.Value.Valid || !actor.Value.IsCharacter)
             return ((int)ErrorCode.InvalidCharacter, null);
 
         try
@@ -162,26 +162,26 @@ private ErrorCode SetProfileStateInternal(Guid uniqueId, bool state)
             }
             catch (Exception ex)
             {
-                _logger.Error($"IPCCharacterProfile deserialization issue. Character: {character?.Name.ToString().Incognify()}, exception: {ex}.");
+                _logger.Error($"IPCCharacterProfile deserialization issue. Character: {actor.Value.Utf8Name.ToString().Incognify()}, exception: {ex}.");
                 return ((int)ErrorCode.CorruptedProfile, null);
             }
 
             if (profile == null)
             {
-                _logger.Error($"IPCCharacterProfile is null after deserialization. Character: {character?.Name.ToString().Incognify()}.");
+                _logger.Error($"IPCCharacterProfile is null after deserialization. Character: {actor.Value.Utf8Name.ToString().Incognify()}.");
                 return ((int)ErrorCode.CorruptedProfile, null);
             }
 
             //todo: ideally we'd probably want to make sure ID returned by that function does not have collision with other profiles
             var fullProfile = IPCCharacterProfile.ToFullProfile(profile).Item1;
 
-            _profileManager.AddTemporaryProfile(fullProfile, actor);
+            _profileManager.AddTemporaryProfile(fullProfile, actor.Value);
             return ((int)ErrorCode.Success, fullProfile.UniqueId);
 
         }
         catch (Exception ex)
         {
-            _logger.Error($"Unable to set temporary profile. Character: {character?.Name.ToString().Incognify()}, exception: {ex}.");
+            _logger.Error($"Unable to set temporary profile. Character: {actor.Value.Utf8Name.ToString().Incognify()}, exception: {ex}.");
             return ((int)ErrorCode.UnknownError, null);
         }
     }
@@ -190,18 +190,16 @@ private ErrorCode SetProfileStateInternal(Guid uniqueId, bool state)
     /// Delete temporary profile currently active on character
     /// </summary>
     [EzIPC("Profile.DeleteTemporaryProfileOnCharacter")]
-    private int DeleteTemporaryProfileOnCharacter(ICharacter character)
+    private int DeleteTemporaryProfileOnCharacter(ushort gameObjectIndex)
     {
-        if (character == null)
-            return (int)ErrorCode.InvalidCharacter;
+        var actor = _gameObjectService.GetActorByObjectIndex(gameObjectIndex);
 
-        var actor = (Actor)character.Address;
-        if (!actor.Valid)
+        if (actor == null || !actor.Value.Valid || !actor.Value.IsCharacter)
             return (int)ErrorCode.InvalidCharacter;
 
         try
         {
-            _profileManager.RemoveTemporaryProfile(actor);
+            _profileManager.RemoveTemporaryProfile(actor.Value);
             return (int)ErrorCode.Success;
         }
         catch(ProfileException ex)
@@ -213,13 +211,13 @@ private int DeleteTemporaryProfileOnCharacter(ICharacter character)
                 case ProfileNotFoundException:
                     return (int)ErrorCode.ProfileNotFound;
                 default:
-                    _logger.Error($"Exception in DeleteTemporaryProfileOnCharacter. Character: {character?.Name.ToString().Incognify()}. Exception: {ex}");
+                    _logger.Error($"Exception in DeleteTemporaryProfileOnCharacter. Character: {actor.Value.Utf8Name.ToString().Incognify()}. Exception: {ex}");
                     return (int)ErrorCode.UnknownError;
             }
         }
         catch(Exception ex)
         {
-            _logger.Error($"Exception in DeleteTemporaryProfileOnCharacter. Character: {character?.Name.ToString().Incognify()}. Exception: {ex}");
+            _logger.Error($"Exception in DeleteTemporaryProfileOnCharacter. Character: {actor.Value.Utf8Name.ToString().Incognify()}. Exception: {ex}");
             return (int)ErrorCode.UnknownError;
         }
     }
@@ -309,7 +307,7 @@ private void OnArmatureChanged(ArmatureChanged.Type type, Armature armature, obj
         if (type == ArmatureChanged.Type.Deleted)
         {
             //Do not send event if default or editor profile was used
-            if (armature.Profile == _profileManager.DefaultProfile || armature.Profile.ProfileType == ProfileType.Editor)
+            if (armature.Profile == _profileManager.DefaultProfile || armature.Profile.ProfileType == ProfileType.Editor) //todo: never send if ProfileType != normal?
                 return;
 
             OnProfileUpdateInternal(localPlayerCharacter, null);
@@ -327,6 +325,6 @@ private void OnProfileUpdateInternal(ICharacter character, Profile? profile)
 
         _logger.Debug($"Sending player update message: Character: {character.Name.ToString().Incognify()}, Profile: {(profile != null ? profile.ToString() : "no profile")}");
 
-        OnProfileUpdate(character, profile != null ? profile.UniqueId : Guid.Empty);
+        OnProfileUpdate(character.ObjectIndex, profile != null ? profile.UniqueId : Guid.Empty);
     }
 }
diff --git a/CustomizePlus/Game/Services/GameObjectService.cs b/CustomizePlus/Game/Services/GameObjectService.cs
index 8e15ba5..6fac33c 100644
--- a/CustomizePlus/Game/Services/GameObjectService.cs
+++ b/CustomizePlus/Game/Services/GameObjectService.cs
@@ -7,13 +7,8 @@
 using Penumbra.GameData.Interop;
 using ObjectManager = CustomizePlus.GameData.Services.ObjectManager;
 using DalamudGameObject = Dalamud.Game.ClientState.Objects.Types.IGameObject;
-using ECommons.Configuration;
-using System;
 using CustomizePlus.Configuration.Data;
-using FFXIVClientStructs.FFXIV.Client.UI.Agent;
-using Penumbra.GameData;
-using Penumbra.String;
-using Dalamud.Logging;
+using FFXIVClientStructs.FFXIV.Client.Game.Object;
 
 namespace CustomizePlus.Game.Services;
 
@@ -145,6 +140,19 @@ public Actor GetLocalPlayerActor()
         }
     }
 
+    /// <summary>
+    /// Find actor in object manager based on its Object ID.
+    /// </summary>
+    public Actor? GetActorByObjectIndex(ushort objectIndex)
+    {
+        if (objectIndex < 0 || objectIndex >= _objectManager.TotalCount)
+            return null;
+
+        var ptr = _objectManager[(int)objectIndex];
+
+        return ptr;
+    }
+
     public enum SpecialResult
     {
         PartyBanner,
diff --git a/CustomizePlus/UI/Windows/MainWindow/Tabs/Debug/IPCTestTab.cs b/CustomizePlus/UI/Windows/MainWindow/Tabs/Debug/IPCTestTab.cs
index ba0d248..6bcc7dd 100644
--- a/CustomizePlus/UI/Windows/MainWindow/Tabs/Debug/IPCTestTab.cs
+++ b/CustomizePlus/UI/Windows/MainWindow/Tabs/Debug/IPCTestTab.cs
@@ -50,13 +50,13 @@ public class IPCTestTab //: IDisposable
     private readonly Func<Guid, int> _disableProfileByUniqueIdIpcFunc;
 
     [EzIPC("Profile.GetActiveProfileIdOnCharacter")]
-    private readonly Func<ICharacter, (int, Guid?)> _getActiveProfileIdOnCharacterIpcFunc;
+    private readonly Func<ushort, (int, Guid?)> _getActiveProfileIdOnCharacterIpcFunc;
 
     [EzIPC("Profile.SetTemporaryProfileOnCharacter")]
-    private readonly Func<ICharacter, string, (int, Guid?)> _setTemporaryProfileOnCharacterIpcFunc;
+    private readonly Func<ushort, string, (int, Guid?)> _setTemporaryProfileOnCharacterIpcFunc;
 
     [EzIPC("Profile.DeleteTemporaryProfileOnCharacter")]
-    private readonly Func<ICharacter, int> _deleteTemporaryProfileOnCharacterIpcFunc;
+    private readonly Func<ushort, int> _deleteTemporaryProfileOnCharacterIpcFunc;
 
     [EzIPC("Profile.DeleteTemporaryProfileByUniqueId")]
     private readonly Func<Guid, int> _deleteTemporaryProfileByUniqueIdIpcFunc;
@@ -64,11 +64,6 @@ public class IPCTestTab //: IDisposable
     [EzIPC("Profile.GetByUniqueId")]
     private readonly Func<Guid, (int, string?)> _getProfileByIdIpcFunc;
 
-    //private readonly ICallGateSubscriber<string, Character?, object>? _setCharacterProfile;
-    //private readonly ICallGateSubscriber<Character?, string>? _getProfileFromCharacter;
-    //private readonly ICallGateSubscriber<Character?, object>? _revertCharacter;
-    //private readonly ICallGateSubscriber<string?, string?, object?>? _onProfileUpdate;
-
     private string? _rememberedProfileJson;
 
     private (int, int) _apiVersion;
@@ -103,24 +98,8 @@ public IPCTestTab(
 
         if (_getApiVersionIpcFunc != null)
             _apiVersion = _getApiVersionIpcFunc();
-
-        //_setCharacterProfile = pluginInterface.GetIpcSubscriber<string, Character?, object>("CustomizePlus.SetProfileToCharacter");
-        //_getProfileFromCharacter = pluginInterface.GetIpcSubscriber<Character?, string>("CustomizePlus.GetProfileFromCharacter");
-        //_revertCharacter = pluginInterface.GetIpcSubscriber<Character?, object>("CustomizePlus.RevertCharacter");
-        /*_onProfileUpdate = pluginInterface.GetIpcSubscriber<string?, string?, object?>("CustomizePlus.OnProfileUpdate");
-        _onProfileUpdate.Subscribe(OnProfileUpdate);*/
     }
-    /* public void Dispose()
-     {
-         _onProfileUpdate?.Unsubscribe(OnProfileUpdate);
-     }
-
-     private void OnProfileUpdate(string? characterName, string? profileJson)
-     {
-         _lastProfileUpdate = DateTime.Now;
-         _lastProfileUpdateName = characterName;
-     }
-    */
+
     public unsafe void Draw()
     {
         _objectManager.Update();
@@ -141,7 +120,6 @@ public unsafe void Draw()
 
         ImGui.Separator();
 
-        //ImGui.Text($"Last profile update: {_lastProfileUpdate}, Character: {_lastProfileUpdateName}");
         ImGui.Text($"Memory: {(string.IsNullOrWhiteSpace(_rememberedProfileJson) ? "empty" : "has data")}");
 
         ImGui.Text("Character to operate on:");
@@ -171,7 +149,7 @@ public unsafe void Draw()
             if (actors.Count == 0)
                 return;
 
-            (int result, Guid? uniqueId) = _getActiveProfileIdOnCharacterIpcFunc(FindCharacterByAddress(actors[0].Item2.Address));
+            (int result, Guid? uniqueId) = _getActiveProfileIdOnCharacterIpcFunc(actors[0].Item2.Index.Index);
 
             if(result == 0)
             {
@@ -193,7 +171,7 @@ public unsafe void Draw()
                 if (actors.Count == 0)
                     return;
 
-                (int result, Guid? profileGuid) = _setTemporaryProfileOnCharacterIpcFunc(FindCharacterByAddress(actors[0].Item2.Address), _rememberedProfileJson);
+                (int result, Guid? profileGuid) = _setTemporaryProfileOnCharacterIpcFunc(actors[0].Item2.Index.Index, _rememberedProfileJson);
                 if (result == 0)
                 {
                     _popupSystem.ShowPopup(PopupSystem.Messages.IPCSetProfileToChrDone);
@@ -213,7 +191,7 @@ public unsafe void Draw()
             if (actors.Count == 0)
                 return;
 
-            int result = _deleteTemporaryProfileOnCharacterIpcFunc(FindCharacterByAddress(actors[0].Item2.Address));
+            int result = _deleteTemporaryProfileOnCharacterIpcFunc(actors[0].Item2.Index.Index);
             if (result == 0)
                 _popupSystem.ShowPopup(PopupSystem.Messages.IPCRevertDone);
             else
@@ -311,17 +289,10 @@ public unsafe void Draw()
     }
 
     [EzIPCEvent("Profile.OnUpdate")]
-    private void OnProfileUpdate(ICharacter Character, Guid ProfileUniqueId)
-    {
-        _logger.Debug($"IPC Test Tab - OnProfileUpdate: Character: {Character.Name.ToString().Incognify()}, Profile ID: {(ProfileUniqueId != Guid.Empty ? ProfileUniqueId.ToString() : "no id")}");
-    }
-
-    private ICharacter? FindCharacterByAddress(nint address)
+    private void OnProfileUpdate(ushort gameObjectIndex, Guid profileUniqueId)
     {
-        foreach (var obj in _objectTable)
-            if (obj.Address == address)
-                return (ICharacter)obj;
+        var actor = _gameObjectService.GetActorByObjectIndex(gameObjectIndex);
 
-        return null;
+        _logger.Debug($"IPC Test Tab - OnProfileUpdate: Character: {actor?.Utf8Name.ToString().Incognify() ?? "None"}, Profile ID: {(profileUniqueId != Guid.Empty ? profileUniqueId.ToString() : "no id")}");
     }
 }