son of Hephaestus. In The Demigod Diaries story entitled "Percy Jackson and the Staff of Hermes", Cacus had stolen Hermes' caduceus. He later attacked Percy Jackson and Annabeth Chase and implied that he was working for Gaea, although he didn't give her name, to shut down the gods communications. He is destroyed by Percy using the caduceus' Laser Mode, in reality a giant rocket launcher that fires energy blasts. Centaur – Half-man, half-horse creatures, often depicted as wild and drunk. Chiron is the only truly civilized centaur. Many of his kin are part of the Party Ponies. There are other centaurs who work for Gaea's army. Chiron – A centaur with a white stallion body and son of Kronos. He is Percy's mentor and the activities director at Camp Half-Blood. In The Lightning Thief, he first appears disguised as a Latin teacher at Percy's school, using an enchanted wheelchair to conceal his horse half. Chiron is played by Pierce Brosnan in the first film and by Anthony Head in the second film. In the musical, he is portrayed by Jonathan Raviv. Glynn Turman will portray him in the TV show. Horned Centaurs – A race of centaurs with horns who are half palomino. These centaurs enjoy killing demigods. In The Son of Neptune, they attacked Camp Jupiter, but most were either killed or retreated. Party Ponies – An extended family of rowdy centaurs who reside in the United States with chapters hailing from each respective state. They are key players in two major incidents in the series. In The Sea of Monsters, they go along with Chiron and rescue Percy from Luke during their duel on the Princess Andromeda. In The Last Olympian, they help Chiron and the others fight the major battle between the gods and the Titans. In The House of Hades, Grover mentions that Gaea had created a stone fist to swat some party ponies, much to the confusion of Reyna. Larry – Member of the Party Ponies. Owen – Member of the Party Ponies. Cyclopes – A race of one-eyed giants who have four species as mentioned in The Lost Hero. The first group of Cyclopes are the Elder Cyclops who are the sons of Gaea and Ouranos where they alongside the Hecatonchires were imprisoned in Tartarus by Ouranos. They are friendly and help the gods ever since the Titanomachy when they were freed from their