Xanthos

When he had thus spoken, the Erinyes stayed his speech, and Achilles answered him in great sadness, saying, "Why, O Xanthos, do you thus foretell my death?

Then fleet Xanthos answered under the yoke - for white-armed Hera had endowed him with human speech - and he bowed his head till his mane touched the ground as it hung down from under the yoke-band.

Then with a loud voice he chided with his father's horses saying, " Xanthos and Balios, famed offspring of Podarge - this time when we have done fighting be sure and bring your driver safely back to the host of the Achaeans, and do not leave him dead on the plain as you did Patroklos.