taken from a roughtly translated Interview

- Yeah, this man's character type is not it premiered. Who is this?

: Mr. Yoshida　 It is Amon him. It is in a certain place of the Ammonites familiar "FFIII".
source : http://game.watch.impress.co.jp/docs...12_565505.html
google translate this part

――ええ、この人型のキャラクターは初公開ですよね。これは誰ですか？

吉田氏：　そいつはアモンですね。「FFIII」の某所でおなじみのアモンですね。

Also beside it has Amon picture and beneath it literally saying is Amon... .