It is possible. Even likely. But, it most likely is in the Spirit World. It was the Moon and Ocean Spirits that left for the Human World. The Sun Spirit likely stayed.

I’ve always assumed it’s possible

Yo this is good because I’m starring as the new Avatar and you know we could actually use this in the new tv series

@KingGreeneIG Please keep comments legitimate, head-cannoning things is not helpful to having a proper discussion.

Um it was just an idea

I am referring to comments like "I'm starring as the new Avatar".

Oh I did not think you saw that my bad