What are the secret codes in jingle brawl

lemurking - Unlocks King Julien
airbender - Unlocks Aang
goingghost - Unlocks Danny Phantom
wasteland - Unlocks Aang's background
freeplay - Unlocks Arcade Mode
practice - Unlocks Training Mode

You may only use Aang, Aang's background, Danny Phantom, or King Julien in Training or Arcade Mode.