In Umamusume, the Darley Arabian refers both to one of the Three Goddesses of the Umamusume universe as well as a training AI based on her, who is one of the hosts of the Grand Masters scenario. She represents "Bravery" and is represented by the color red.
She is based on the Darley Arabian, one of the foundation sires of the Thoroughbred breed of horses. Through Eclipse, he is the sire-line ancestor of 95% of all Thoroughbreds. In the context of Umamusume, he is the real-life sire-line ancestor of the vast majority of the cast.
