Chervy had wide liquid eyes, dappled flanks, and thin, graceful legs. He was a swift runner.
Role in the History of Narnia
After Shasta came into Narnia with news of Rabadash's attack on Anvard, Chervy ran to Cair Paravel to inform Queen Lucy. She and Edmund, who had just returned from a diplomatic visit to Calormen, led an army to aid Anvard.
For a fuller explanation of the events surrounding Shasta's arrival in Narnia and the Attack on Anvard, see The Horse and His Boy.