Gaepora

Gaepora is the father of Zelda, and the headmaster of the Knight Academy in Skyward Sword. He is knowledgeable of the history and legends of Skyloft, and is the one that gives Link his green garb when Zelda gets kidnapped.

Trivia

 * Gaepora's name bears resemblance to the owl Kaepora Gaebora. He even laughs with an owl-like "Hoo, hoo, hoo".
 * Gaepora could also be a younger Rauru which would support the Kaepora Gaebora theory
 * The book he is holding bears a striking resemblance to the Book of Mudora.