Chiron

He is a centaur (a brown stallion from the waist down) and the immortal trainer of Heroes.

Mythology
Chiron was the son of Alcyoneus, king of the Titans, and the raven-haired sea nymph Rhode. He was leader of the Centaurs and the teacher of many heroes, such as Hercules, Apollo, Artemis, Jason, Achilles, and Actaeon.

Personality

 * Valiant
 * Benevolent
 * Wise
 * Fatherly
 * Loyal

Season 1

 * Jason and the Argonauts

Season 2

 * Jason and Medea
 * The Hounds of Actaeon