Link is a knight in training in the floating land of Skyloft. His whole life was spent above the clouds until his love interest, Zelda, was taken away by the Demon Lord Ghirahim, prompting a quest that would take Link under the clouds and eventually saved her. Now they're both just back on Skyloft and still in the academy.

She is chronologically the earliest known incarnation of the princess of Hyrule and the true ancestor of Hyrule's royal family. She is also the daughter of Gaepora, the headmaster of the Knight Academy, and a childhood friend of Link and Groose.

The goddess Hylia created Fi, an intelligent humanoid spirit who resides in the Master Sword, and gave them the purpose of assisting Hylia's Chosen Hero in fulfilling his destiny of defeating Demise. She then enshrined the Sword inside the Statue of the Goddess before raising it into The Sky as part of Skyloft. Preceding the Wing Ceremony, Fi appears to Link in his dreams, foretelling his destiny. She's usually stoic and doesn't convey much emotions. She's a blue spirit who's outfit matches with the style of the Master Sword.

Groose is a bully in short words with his lackeys Cawlin amd Strich. He is a student at the Knight Academy in Skyloft and a personal rival to Link. He commands a black Loftwing. He also has a crush on Zelda and is jealous of the closeness between her and Link.

Cawlin is a student at the Knight Academy. He is a friend and henchman to Link's personal rival, Groose. He, Groose, and Strich all have a reputation for being bullies.

Strich is one of the students of the Knight Academy in Skyloft. Alongside his friends Groose and Cawlin, they have a reputation for being bullies.

He is a figure of authority in the land below Skyloft, and he thinks quite highly of himself, preferring to be called Lord Ghirahim. He tries to revive Demise. He is Demise's sword or well the spirit in them.

He is the father of Zelda, the headmaster of the Knight Academy, and the owner of Mia (Mia is a beige Remlit) . He is knowledgeable of the history and legends of Skyloft, and proves to be of invaluable help to Link during his quest to save Zelda.

Eons before the events of Skyward Sword, he and his army of demons broke through a fissure in the earth and sought out the Triforce. After a long war, he was eventually sealed away by the Goddess Hylia. He is the Master of Ghirahim.

Impa is a member of the Sheikah tribe, and a loyal protector of Princess Zelda, often serving as a guide, bodyguard, and advisor to Link. She consistently provides crucial support embodying the Sheikah's duty to serve the royal family.