Shadow is a black horse while Biscuit is a dappled grey horse.
Story[]
In Bonnie the Bike-Riding Fairy. When Rachel and Kirsty were trying to get Bonnie's bracelet back from a goblin on a bike. They spot Shadow and Biscuit and their riders ahead and worry the goblin will ride straight into them! They fly ahead and whisper in the horses' ears that they need to move out of the way, which they do. Their riders exclaim at it save them from being hit.
