diff --git a/channels/__init__.py b/channels/__init__.py
index 2b9a471..e5d43b7 100644
--- a/channels/__init__.py
+++ b/channels/__init__.py
@@ -17,4 +17,4 @@ from .hacks import monkeypatch_django
 monkeypatch_django()
 
 # Promote channel to top-level (down here to avoid circular import errs)
-from .channel import Channel
+from .channel import Channel, Group
diff --git a/channels/channel.py b/channels/channel.py
index 6724eba..faf5f3a 100644
--- a/channels/channel.py
+++ b/channels/channel.py
@@ -58,7 +58,7 @@ class Group(object):
     of the group after an expiry time (keep re-adding to keep them in).
     """
 
-    def __init__(self, alias=DEFAULT_CHANNEL_BACKEND, channel_backend=None):
+    def __init__(self, name, alias=DEFAULT_CHANNEL_BACKEND, channel_backend=None):
         self.name = name
         if channel_backend:
             self.channel_backend = channel_backend
@@ -66,13 +66,13 @@ class Group(object):
             self.channel_backend = channel_backends[alias]
 
     def add(self, channel):
-        self.channel_backend.add(self.name, channel)
+        self.channel_backend.group_add(self.name, channel)
 
     def discard(self, channel):
-        self.channel_backend.discard(self.name, channel)
+        self.channel_backend.group_discard(self.name, channel)
 
     def channels(self):
-        self.channel_backend.channels(self.name)
+        self.channel_backend.group_channels(self.name)
 
     def send(self, **kwargs):
-        self.channel_backend.send_group(self, self.name, kwargs)
+        self.channel_backend.send_group(self.name, kwargs)
diff --git a/channels/decorators.py b/channels/decorators.py
index 5a94850..584f66a 100644
--- a/channels/decorators.py
+++ b/channels/decorators.py
@@ -5,10 +5,12 @@ from django.utils import six
 from channels import channel_backends, DEFAULT_CHANNEL_BACKEND
 
 
-def consumer(self, alias=DEFAULT_CHANNEL_BACKEND, *channels):
+def consumer(*channels, **kwargs):
     """
     Decorator that registers a function as a consumer.
     """
+    # We can't put a kwarg after *args in py2
+    alias = kwargs.get("alias", DEFAULT_CHANNEL_BACKEND)
     # Upconvert if you just pass in a string
     if isinstance(channels, six.string_types):
         channels = [channels]