Damien (Espeon)

"Link, I am the sage of this temple." -''Damien to Link. Book Tooie, Page ?''

Backstory
After the loss of his father and his ability to evolve when he was 10, he became the Sage of Light. After Link drew the Master Sword from its pedestal in the Temple of Time and grew up, he met Damien. Eventually, Link helps Damien find his family after joining Link's family. Link gives Damien a collar that allows him to evolve AND devolve at will, which is hiding under his scarf.

Personality
Like Crystal and Link, he's a joyful, playful Espeon. He likes adventuring and discovering secrets with Link. Link and Damien become Best Friends after finding Damien's family.

Hidden Ability
Since he lost the ability to evolve and devolve, Link made Damien a magical collar that can make Damien shape shift to any Eeveelution he wants. Only 6 of the Eeveelutions are female, while 2 are only male.