Oreius

Oreius is a centaur who was one of hte members in Aslan's army. He was one of the few commanders who led th eattack against the White Witch's men. He served as General in Aslan's (and later King Peter's) Army.

Right before the battle, he saw Bilbo making an escape from the camp, following Lucy and Susan and lect to tell Bilbo's companion.