Calais

Calais is an immortal demigod son of Boreas from The Heroes of Olympus.

Powers
Immortality: Calais was a mortal demigod that was gifted immortality by his father.

Cryokinesis: Calais can control and manipulate the cold. He can freeze things, summon and control snowstorms, and generate icy winds.

Aerokinesis: He can also control and manipulate the wind.

Flight: Calais is described as having purple wings which, presumably, allow him to fly.