Percival is one of the six mighty knights of Zexen, very skilled with horses, and known as the Swordsman of Gale. He was born in the small Zexen town of Iksay a commoner. However, in a textbook rags-to-riches story, his dreams of becoming a knight are fulfilled, and as a knight he becomes good friends with Chris, the future Captain of the Zexen Knights, and later he becomes one of the Six Knights.

He loyally fights with his master Chris in the Second Fire Bringer War, but even in his position he doesn't forget his roots, as after the war he returns to Iksay. - KoRnholio