I can't say I've seen anything of the like. From what I know of your world, Elidibus' role as Zodiark's Emissary would be more akin to your Oracles.

[Hmm, curious. Don't mind him just pulling that communicator out of his pocket and then proceeding to look even more amused. His words next address that space over Noctis' shoulder where Carbuncle's head rests.]

...Clever, and quite perceptive. Think of me as a being of soul and aether alone, who merely occupies a body, rather than being naturally born to one. It's close enough to the truth without requiring a detailed explanation.