diff --git a/tge/model.py b/tge/model.py
index 89a8574..ea76ed8 100644
--- a/tge/model.py
+++ b/tge/model.py
@@ -17,9 +17,12 @@ class Thread (object):
         self.children = []
 
 class User (object):
-    def __init__ (self, name=None, signature=None):
+    def __init__ (self, name=None, signature=None, avatar=None, title=None, subtitle=None):
         self.name = name
         self.signature = signature
+        self.title = title
+        self.subtitle = subtitle
+        self.avatar = avatar
 
 class Category (object):
     def __init__ (self, title=None, description=None):