and Meg McCaffrey. Giant Scorpion – A giant-sized scorpion. Daedalus (under the alias of Quintus) ordered some Giant Scorpions from the Triple G Ranch and kept them in their boxes in the Sword Fighting Arena. He eventually let them out in the camp's forest for a game. In The Blood of Olympus, Orion mentions that his first death was at the hands of a giant scorpion that Gaea summoned to sting him to death after Orion was cursed by Apollo and went insane. Giant Sea Turtle – A large sea turtle who accompanied Sciron into attacking the Argo II as seen in The House of Hades. Giant Snake – A large snake. It attacked Tyson and Grover when they were in the Labyrinth as seen in The Battle of the Labyrinth. Giant Squid – A giant squid that might be the Kraken. It was among the sea monsters in Oceanus' army. Gryphon – A creature that is part eagle, part lion. They are known to collect golds for their nests and even lay golden eggs. The Gryphons appear in The Son of Neptune where they are seen in Alcyoneus' camp. They are not to be confused with the griffins of The Kane Chronicles. Abelard - A pet Gryphon to Britomartis who appeared in The Dark Prophecy. Heloise - A pet Gryphon to Britomartis who appeared in The Dark Prophecy. She lays an egg while in Commodus' captivity and is later killed during the battle at Waystation. Hellhound – The Hellhounds are a main part of Luke's army and monsters in general. They are described as very large black dogs with fiery glowing eyes. They were also mentioned to reside in the Fields of Punishment. Daedalus owns a hound named Mrs. O'Leary, who, unlike her relatives, is loving and loyal. In The Last Olympian, a bunch of Hellhounds are seen in Kronos' army where they snuck behind the demigod lines. Mrs. O'Leary – The only friendly hellhound to ever exist who belonged to Daedalus under his alias of Quintus. She befriends Percy during The Battle of the Labyrinth and Daedalus gives Percy a whistle to summon her in a time of need, saving Percy and his friends lives at one point. When Daedalus decides to have Nico release his soul, he gives Percy ownership of Mrs. O'Leary. She subsequently appears several times as Percy's pet, searching for him and killing a