A recent teaser trailer for "The Legend of Korra" Book 3 has prompted something that has been stirring inside fans since "Avatar: The Last Airbender," and it has everything to do with Zuko.

In the trailer, you can see the Order of the White Lotus will be revisited in "The Legend of Korra" universe.

For those who do not know, the Order of the White Lotus is an ancient society who seeks to protect, train, and find each new Avatar.

But most interestingly, there is also a dragon shown in "The Legend of Korra" Book 3 teaser trailer interacting with what looks like a member of the Order of the White Lotus.

But who is riding that mysterious figure riding the dragon?

"By the way do you think you could tell me if you saw a (Zuko) scar on the man on the dragon's face? Everyone is dying to know!" writes KorraSpirit on YouTube.

It could be the style of the dragon, but theories are running rampant that the figure on the dragon is in fact Zuko, but or perhaps his daughter, who is allegedly the current firelord in Book 3.

The fan name for Zuko's daughter is Honora, although nothing has been confirmed from the actual creators of "The Legend of Korra" about the introduction of this character.

What's also difficult to scope out is whether the scene with the dragon is a flashback or not. If it is, it's entirely that Zuko could be featured, but is no longer alive on the series.

Another theory is that it could be the character Roku from "Avatar: The Last Airbender," a Fire Nation-born Avatar preceding Avatar Aang.

In the series, Roku was seen riding a dragon as well, but the dragon shown in the Book 3 teaser trailer looks quite different.

So what do you think? Is Zuko still alive? Will he appear on "The Legend of Korra" Book 3?