diff --git a/__init__.py b/__init__.py
index a8a63a9..a8cf190 100644
--- a/__init__.py
+++ b/__init__.py
@@ -27,12 +27,12 @@ NODE_CLASS_MAPPINGS = {
 }
 
 NODE_DISPLAY_NAME_MAPPINGS = {
-    "LTXDirectorCS": "LTX Director CS",
-    "MSRCharacterCS": "MSR Character CS",
-    "MSRCharacterSetCS": "MSR Character Set CS",
-    "LTXDirectorGuideCS": "LTX Director Guide CS",
-    "LTXDirectorCropGuidesCS": "LTX Director Crop Guides CS",
-    "CleanLatentSliceCS": "Clean Latent Slice CS",
+    "LTXDirectorCS": "LTX Director DUMAS",
+    "MSRCharacterCS": "MSR Character DUMAS",
+    "MSRCharacterSetCS": "MSR Character Set DUMAS",
+    "LTXDirectorGuideCS": "LTX Director Guide DUMAS",
+    "LTXDirectorCropGuidesCS": "LTX Director Crop Guides DUMAS",
+    "CleanLatentSliceCS": "Clean Latent Slice DUMAS",
 }
 
 WEB_DIRECTORY = "./js"
diff --git a/ltx_director.py b/ltx_director.py
index 87dc5cf..8cf2eee 100644
--- a/ltx_director.py
+++ b/ltx_director.py
@@ -1641,10 +1641,10 @@ class LTXDirector(io.ComfyNode):
 
     @classmethod
     def define_schema(cls):
-        return io.Schema(
-            node_id="LTXDirectorCS",
-            display_name="LTX Director CS",
-            category="WhatDreamsCost CS",
+        return io.Schema(
+            node_id="LTXDirectorCS",
+            display_name="LTX Director DUMAS",
+            category="WhatDreamsCost DUMAS",
             description=(
                 "Same as Prompt Relay Encode, but local prompts and segment lengths are edited "
                 "visually as draggable blocks on a timeline. The duration_frames input only sets the "
diff --git a/msr_character.py b/msr_character.py
index 5a018bd..51c7020 100644
--- a/msr_character.py
+++ b/msr_character.py
@@ -21,8 +21,8 @@ class MSRCharacter(io.ComfyNode):
     def define_schema(cls):
         return io.Schema(
             node_id="MSRCharacterCS",
-            display_name="MSR Character CS",
-            category="WhatDreamsCost CS",
+            display_name="MSR Character DUMAS",
+            category="WhatDreamsCost DUMAS",
             description=(
                 "Reusable MSR character payload. Accepts up to two reference images plus "
                 "a description and optional alias for @alias prompt replacement."
@@ -78,8 +78,8 @@ class MSRCharacterSet(io.ComfyNode):
     def define_schema(cls):
         return io.Schema(
             node_id="MSRCharacterSetCS",
-            display_name="MSR Character Set CS",
-            category="WhatDreamsCost CS",
+            display_name="MSR Character Set DUMAS",
+            category="WhatDreamsCost DUMAS",
             description="Bundles up to six MSR Character nodes into one character set for the director.",
             inputs=[
                 MSRCharacterData.Input("character_1", optional=True),