And aside from the major characters, there was an awesome and memorable Solid of supporting roles like Iroh, Bumi, and Azula. In addition to characters, the universe they designed was so expansive and in depth which the makers made use of a similar universe for his or her spin-off sequence, https://share.evernote.com/note/2e57821a-0d6d-107b-e8b2-d649ff82b035