The Insider.com

Fans have long wondered who August truly is since his mysterious arrival in Storybrooke -- and in this Sunday's episode of Once Upon A Time, it seems like we'll finally get our answer!

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Once that meshes perfectly with what actor Eion Bailey told me last week: "It is [an honor] to play this character because the central theme is something everyone deals with on a daily basis. I get to embody the internal struggle this character is famous for and expressing something everyone experiences is the ultimate gift for an actor. It's a joy."

RELATED - Eion Bailey Talks Once

And as we learned from his poorly executed misdirection with Mr. Gold, August is quite the liar!

Check out a sneak peek from Sunday's all-new episode to get your first look at Pinocchio -- and a seriously impressive whale -- in action!