Gage

Gage is a character from The Legend of Zelda: Spirit Tracks. A member of the Lokomo tribe, Gage resides within the Forest Sanctuary. Gage and Link play a musical duet on their respective violin and Spirit Flute, and restore the path to the Forest Temple as well as most of the Spirit Tracks in the Forest Realm.

Etymology
"Gage" is likely derived from the word gauge, a number of inventions within the field of railroad engineering.