diff --git a/waifu/modules/kajiwoto_pdm.py b/waifu/modules/kajiwoto_pdm.py
index 3b381b3..99fd6ef 100644
--- a/waifu/modules/kajiwoto_pdm.py
+++ b/waifu/modules/kajiwoto_pdm.py
@@ -1,13 +1,12 @@
 import typing as t
 
+from waifu.core.consts import PromptConstants
 from waifu.datasets.kajiwoto import (KajiwotoDataset, generate_variants_for,
                                      replace_special_tokens_in)
 from waifu.modules import BaseModule
+from waifu.modules.kajiwoto_vdm import BOT_PREFIX
 from waifu.utils.strings import uppercase
 
-USER_PREFIX = "Person 1"
-BOT_PREFIX = "Person 2"
-
 
 class KajiwotoPDM(BaseModule):
     '''A Persona Dialogue Module powered by the Kajiwoto dataset.'''
@@ -29,15 +28,17 @@ class KajiwotoPDM(BaseModule):
             description_string = metadata.description.replace("\n",
                                                               " ").replace(
                                                                   "  ", " ")
-            turns.append(f"{BOT_PREFIX}'s Description: {description_string}")
-            turns.append(f"{BOT_PREFIX}'s Persona: {persona_string}")
+            turns.append(
+                f"{PromptConstants.pdm_prefix_for(BOT_PREFIX)}: {description_string}\n{persona_string}"
+            )
 
             # Empty turn to have a line break separating description/persona
             # and the actual messages.
             turns.append("")
 
             for turn in episode:
-                turns.append(f"{USER_PREFIX}: {turn.user_message}")
+                turns.append(
+                    f"{PromptConstants.USER_PREFIX}: {turn.user_message}")
                 turns.append(f"{BOT_PREFIX}: {turn.bot_response}")
 
             string = "\n".join(turns)
diff --git a/waifu/modules/kajiwoto_vdm.py b/waifu/modules/kajiwoto_vdm.py
index 9770963..1821cc0 100644
--- a/waifu/modules/kajiwoto_vdm.py
+++ b/waifu/modules/kajiwoto_vdm.py
@@ -1,10 +1,12 @@
 import typing as t
 
+from waifu.core.consts import PromptConstants
 from waifu.datasets.kajiwoto import (KajiwotoDataset, generate_variants_for,
                                      replace_special_tokens_in)
 from waifu.modules import BaseModule
 
-USER_PREFIX = "Person 1"
+# TODO(11b): Figure out if we can do something better instead of hardcoding a
+# fake name.
 BOT_PREFIX = "Person 2"
 
 
@@ -16,7 +18,8 @@ class KajiwotoVDM(BaseModule):
         for episode in dataset:
             turns: t.List[str] = []
             for turn in episode:
-                turns.append(f"{USER_PREFIX}: {turn.user_message}")
+                turns.append(
+                    f"{PromptConstants.USER_PREFIX}: {turn.user_message}")
                 turns.append(f"{BOT_PREFIX}: {turn.bot_response}")
 
             string = "\n".join(turns)