What is a fanlisting?

A fanlisting is according to TFL an online list of fans of a subject, such as a TV show, actor, or musician, that is created by an individual and open for fans from around the world to join. There are no costs, and the only requirements to join a fanlisting are your name and country.

White wanderers

This is the fanlisting for the relationship between Gandalf and his horse Shadowfax from The Lord of the Rings series.
I took the same name as Clo before me, because it is just so fitting for their relationship. Two white wanderers on their way.
Gandalf described Shadowfax as a horse that might have been from the earliest time of the world. No man had ever ridden him before. By day his coat was like silver, by night like unseen shade. His footsteps were light, and not even the horses of the Nine were his match for speed or stamina.

source: valarguild.org