diff --git a/evennia/accounts/accounts.py b/evennia/accounts/accounts.py
index 129479dfaa..d88dc89f1f 100644
--- a/evennia/accounts/accounts.py
+++ b/evennia/accounts/accounts.py
@@ -1169,7 +1169,7 @@ class DefaultAccount(with_metaclass(TypeclassBase, AccountDB)):
 
         """
         # if we have saved protocol flags on ourselves, load them here.
-        protocol_flags = self.attributes.get("_saved_protocol_flags", None)
+        protocol_flags = self.attributes.get("_saved_protocol_flags", {})
         if session and protocol_flags:
             session.update_flags(**protocol_flags)
 
diff --git a/evennia/commands/default/account.py b/evennia/commands/default/account.py
index bf9767d893..067bc6dd55 100644
--- a/evennia/commands/default/account.py
+++ b/evennia/commands/default/account.py
@@ -434,10 +434,10 @@ class CmdWho(COMMAND_DEFAULT_CLASS):
                 account = session.get_account()
                 puppet = session.get_puppet()
                 location = puppet.location.key if puppet and puppet.location else "None"
-                table.add_row(utils.crop(account.name, width=25),
+                table.add_row(utils.crop(account.get_display_name(account), width=25),
                               utils.time_format(delta_conn, 0),
                               utils.time_format(delta_cmd, 1),
-                              utils.crop(puppet.key if puppet else "None", width=25),
+                              utils.crop(puppet.get_display_name(account) if puppet else "None", width=25),
                               utils.crop(location, width=25),
                               session.cmd_total,
                               session.protocol_key,
@@ -451,7 +451,7 @@ class CmdWho(COMMAND_DEFAULT_CLASS):
                 delta_cmd = time.time() - session.cmd_last_visible
                 delta_conn = time.time() - session.conn_time
                 account = session.get_account()
-                table.add_row(utils.crop(account.key, width=25),
+                table.add_row(utils.crop(account.get_display_name(account), width=25),
                               utils.time_format(delta_conn, 0),
                               utils.time_format(delta_cmd, 1))
         is_one = naccounts == 1
diff --git a/evennia/contrib/ingame_python/typeclasses.py b/evennia/contrib/ingame_python/typeclasses.py
index e78f46d090..ca4d71b436 100644
--- a/evennia/contrib/ingame_python/typeclasses.py
+++ b/evennia/contrib/ingame_python/typeclasses.py
@@ -1,8 +1,9 @@
 """
 Typeclasses for the in-game Python system.
 
-To use thm, one should inherit from these classes (EventObject,
-EventRoom, EventCharacter and EventExit).
+To use them, change your base typeclasses to inherit from the classes in this
+module (EventObject, EventRoom, EventCharacter and EventExit) instead of the
+default ones in evennia core.
 
 """
 
@@ -179,6 +180,11 @@ class EventCharacter(DefaultCharacter):
         "unpuppeted": (["character"], CHARACTER_UNPUPPETED),
     }
 
+    @lazy_property
+    def callbacks(self):
+        """Return the CallbackHandler."""
+        return CallbackHandler(self)
+
     def announce_move_from(self, destination, msg=None, mapping=None):
         """
         Called if the move is to be announced. This is
@@ -602,6 +608,11 @@ class EventExit(DefaultExit):
         "traverse": (["character", "exit", "origin", "destination"], EXIT_TRAVERSE),
     }
 
+    @lazy_property
+    def callbacks(self):
+        """Return the CallbackHandler."""
+        return CallbackHandler(self)
+
     def at_traverse(self, traversing_object, target_location):
         """
         This hook is responsible for handling the actual traversal,
@@ -862,6 +873,11 @@ class EventRoom(DefaultRoom):
         "unpuppeted_in": (["character", "room"], ROOM_UNPUPPETED_IN),
     }
 
+    @lazy_property
+    def callbacks(self):
+        """Return the CallbackHandler."""
+        return CallbackHandler(self)
+
     def at_object_delete(self):
         """
         Called just before the database object is permanently
diff --git a/evennia/server/amp_client.py b/evennia/server/amp_client.py
index 1d06b33a70..08c46a7520 100644
--- a/evennia/server/amp_client.py
+++ b/evennia/server/amp_client.py
@@ -241,4 +241,5 @@ class AMPServerClientProtocol(amp.AMPMultiConnectionProtocol):
 
         else:
             raise Exception("operation %(op)s not recognized." % {'op': operation})
+
         return {}
diff --git a/evennia/server/session.py b/evennia/server/session.py
index 7f02b69323..f06bcac3f6 100644
--- a/evennia/server/session.py
+++ b/evennia/server/session.py
@@ -135,7 +135,7 @@ class Session(object):
 
         """
         if self.account:
-            self.protocol_flags.update(self.account.attributes.get("_saved_protocol_flags", {}))
+            self.protocol_flags.update(self.account.attributes.get("_saved_protocol_flags", None) or {})
 
     # access hooks