Chrysoar is Pegasus's twin brother, although he is a winged boar, rather than a horse. He and peg hated each other, because Chrysoar had sided with the Gorgons. When Chrysoar had been turned into stone by Euryale, then turned back by Emily, he realized he mistake and sided with Olympus. In the third book of Pegasus, Chrysoar becomes friends with Frankie, a ten year old boy who lived in the black building where Paelen, Joel, and Chrysoar were hiding.