Pantheon of Discord

The Pantheon of Discord was a group of aliens who craved to impress reality and cause chaos. The Trickster was a known member. (SJA: The Wedding of Sarah Jane Smith).

In The Satan Pit The Doctor states that there are many demons to choose from within the same pantheon.

In Turn Left The Doctor tells Donna about the creature being of the Trickster's Brigade. It is unknown yet if the creature was part of the pantheon.