diff --git a/.env.example b/.env.example
index 8837875..9d885de 100644
--- a/.env.example
+++ b/.env.example
@@ -24,14 +24,21 @@ AGENT_MAX_ITERATIONS=20
 AGENT_MAX_TOOL_OUTPUT=4000
 
 # Personality
-PERSONA_MODE=programmer      # Mode AI: "programmer" (default, koding) | "roleplayer" (ngobrol)
-PERSONA_NAME=OWL
-PERSONA_TONE=casual          # casual | formal | playful | warm
-PERSONA_VERBOSITY=balanced   # concise | balanced | detailed
-PERSONA_HUMOR=light          # none | light | witty
-PERSONA_LANGUAGE=id          # id | en | (kosong = auto)
-PERSONA_MOOD=cheerful        # cheerful | calm | energetic | sarcastic
-PERSONA_CATCHPHRASES=Hai, Gimana kabarnya?, Wkwkwk
+# Character preset — baca dari directory character/<AGENT_CHARACTER>
+# Kosongkan untuk memakai PERSONA_* dari .env.
+# Contoh: AGENT_CHARACTER=hendrik
+AGENT_CHARACTER=hendrik
+
+#PERSONA_MODE=programmer      # Mode AI: "programmer" (default, koding) | "roleplayer" (ngobrol)
+#PERSONA_NAME=OWL
+#PERSONA_AGE=                 # Opsional, contoh: 24
+#PERSONA_GENDER=              # Opsional, contoh: male | female | non-binary
+#PERSONA_TONE=casual          # casual | formal | playful | warm
+#PERSONA_VERBOSITY=balanced   # concise | balanced | detailed
+#PERSONA_HUMOR=light          # none | light | witty
+#PERSONA_LANGUAGE=id          # id | en | (kosong = auto)
+#PERSONA_MOOD=cheerful        # cheerful | calm | energetic | sarcastic
+#PERSONA_CATCHPHRASES=Hai, Gimana kabarnya?, Wkwkwk
 
 XMPP_ENABLED=False
 
diff --git a/character/hendrik b/character/hendrik
new file mode 100644
index 0000000..fb09d28
--- /dev/null
+++ b/character/hendrik
@@ -0,0 +1,9 @@
+PERSONA_MODE=programmer
+PERSONA_NAME=Hendrik
+PERSONA_AGE=35
+PERSONA_GENDER=male
+PERSONA_TONE=formal
+PERSONA_VERBOSITY=concise
+PERSONA_HUMOR=none
+PERSONA_LANGUAGE=id
+PERSONA_MOOD=calm
\ No newline at end of file
diff --git a/config.py b/config.py
index 598d4ee..0cf6a84 100644
--- a/config.py
+++ b/config.py
@@ -1,5 +1,6 @@
 import os
 from dotenv import load_dotenv
+from pathlib import Path
 
 load_dotenv()
 
@@ -29,6 +30,12 @@ PERSONA_MODE = os.getenv("PERSONA_MODE", default="programmer").strip().lower()
 # Personality — nama panggilan AI (default: "OWL")
 PERSONA_NAME = os.getenv("PERSONA_NAME", default="OWL").strip() or "OWL"
 
+# Persona age (optional)
+PERSONA_AGE = os.getenv("PERSONA_AGE", default="").strip()
+
+# Persona gender (optional)
+PERSONA_GENDER = os.getenv("PERSONA_GENDER", default="").strip()
+
 # Gaya bicara: "casual" | "formal" | "playful" | "warm"
 PERSONA_TONE = os.getenv("PERSONA_TONE", default="casual").strip().lower() or "casual"
 
@@ -48,6 +55,44 @@ PERSONA_MOOD = os.getenv("PERSONA_MOOD", default="cheerful").strip().lower() or
 # Contoh: "Siap bro!, Haha~, Wkwkwk"
 PERSONA_CATCHPHRASES = os.getenv("PERSONA_CATCHPHRASES", default="").strip()
 
+# Character preset — baca dari directory character/<AGENT_CHARACTER>
+CHARACTER_DIR = Path(__file__).resolve().parent / "character"
+AGENT_CHARACTER = os.getenv("AGENT_CHARACTER", default="").strip().lower()
+CHARACTER_CONFIG_PATH = CHARACTER_DIR / AGENT_CHARACTER if AGENT_CHARACTER else None
+if CHARACTER_CONFIG_PATH and CHARACTER_CONFIG_PATH.is_file():
+        _character_env = {}
+        for line in CHARACTER_CONFIG_PATH.read_text(encoding="utf-8").splitlines():
+            line = line.strip()
+            if not line or line.startswith("#"):
+                continue
+            if "=" in line:
+                key, value = line.split("=", 1)
+                _character_env[key.strip()] = value.strip()
+
+        _character_overrides = {
+            "PERSONA_MODE": PERSONA_MODE,
+            "PERSONA_NAME": PERSONA_NAME,
+            "PERSONA_AGE": PERSONA_AGE,
+            "PERSONA_GENDER": PERSONA_GENDER,
+            "PERSONA_TONE": PERSONA_TONE,
+            "PERSONA_VERBOSITY": PERSONA_VERBOSITY,
+            "PERSONA_HUMOR": PERSONA_HUMOR,
+            "PERSONA_LANGUAGE": PERSONA_LANGUAGE,
+            "PERSONA_MOOD": PERSONA_MOOD,
+            "PERSONA_CATCHPHRASES": PERSONA_CATCHPHRASES,
+        }
+        for key, fallback in _character_overrides.items():
+            value = _character_env.get(key, fallback).strip()
+            if key in {"PERSONA_MODE", "PERSONA_TONE", "PERSONA_VERBOSITY", "PERSONA_HUMOR", "PERSONA_LANGUAGE", "PERSONA_MOOD"}:
+                value = value.lower() or fallback
+            if key == "PERSONA_NAME" and not value:
+                value = fallback
+            _character_overrides[key] = value
+
+        for key, value in _character_overrides.items():
+            globals()[key] = value
+            os.environ[key] = value
+
 # Selective response: true = roleplayer hanya respon kalau ada mention/relevansi (default).
 # false = roleplayer semua pesan ikut respon (seperti biasa, tanpa filter).
 XMPP_SELECTIVE_RESPONSE = os.getenv("XMPP_SELECTIVE_RESPONSE", default="true").strip().lower() in ("true", "1", "yes")
diff --git a/scripts/llm_client.py b/scripts/llm_client.py
index 93049ab..922d75b 100644
--- a/scripts/llm_client.py
+++ b/scripts/llm_client.py
@@ -36,15 +36,21 @@ class LLMClient:
             message = response['choices'][0]['message']
             return self.Message(message)
         except urllib.error.HTTPError as e:
+            body_text = ""
+            try:
+                body_text = e.read().decode('utf-8', errors='replace')
+            except Exception:
+                pass
             if tools and e.code == 404:
                 try:
-                    body = json.loads(e.read().decode('utf-8'))
+                    body = json.loads(body_text) if body_text else {}
                     if 'tool use' in body.get('error', {}).get('message', '').lower():
                         result = self.chat(messages, tools=None)
                         result.warning = "Tool calling not supported by this model. Running in chat-only mode."
                         return result
                 except Exception:
                     pass
-            return self.Message({'content': f"HTTP Error: {e.code} {e.reason}", 'tool_calls': None})
+            detail = f" - {body_text[:500]}" if body_text else ""
+            return self.Message({'content': f"HTTP Error: {e.code} {e.reason}{detail}", 'tool_calls': None})
         except Exception as e:
             return self.Message({'content': f"Error: {str(e)}", 'tool_calls': None})
diff --git a/scripts/persona.py b/scripts/persona.py
index 16d48f8..9cd3c65 100644
--- a/scripts/persona.py
+++ b/scripts/persona.py
@@ -20,6 +20,12 @@ class PersonalityConfig:
     # Nama panggilan AI (default: "OWL")
     name: str = "OWL"
 
+    # Umur persona AI (opsional; kosong bila tidak ingin ditampilkan)
+    age: str = ""
+
+    # Jenis kelamin persona AI (opsional; kosong bila tidak ingin ditampilkan)
+    gender: str = ""
+
     # Gaya bicara:
     #   "casual"   → santai, gaul
     #   "formal"   → sopan, profesional
@@ -64,6 +70,8 @@ def _load_personality_from_env() -> PersonalityConfig:
 
     return PersonalityConfig(
         name=os.getenv("PERSONA_NAME", default="OWL").strip() or "OWL",
+        age=os.getenv("PERSONA_AGE", default="").strip(),
+        gender=os.getenv("PERSONA_GENDER", default="").strip(),
         tone=os.getenv("PERSONA_TONE", default="casual").strip().lower() or "casual",
         verbosity=os.getenv("PERSONA_VERBOSITY", default="balanced").strip().lower() or "balanced",
         humor_level=os.getenv("PERSONA_HUMOR", default="light").strip().lower() or "light",
@@ -83,6 +91,12 @@ def _build_personality_block(cfg: PersonalityConfig) -> str:
     """Generate deskripsi personality dari config."""
     parts = [f"You are {cfg.name}."]
 
+    if cfg.age:
+        parts.append(f"Your persona age is {cfg.age} years old.")
+
+    if cfg.gender:
+        parts.append(f"Your persona gender is {cfg.gender}.")
+
     # Tone
     tone_map = {
         "casual": "You speak in a casual, relaxed manner — like chatting with a friend.",